How to Cite ChatGPT and Other AI Tools

Using generative AI tools for your schoolwork is no longer a question of if, but how. These powerful assistants can help you brainstorm, outline, and even refine your arguments. But with this new power comes a new responsibility: attribution. Knowing how to cite ChatGPT correctly is essential for maintaining academic integrity. This isn’t just about avoiding trouble; it’s about being a transparent and honest scholar. You must give credit where it’s due, even when the creator is an algorithm. This guide will show you exactly how to do that.

The core issue is that content from a large language model (LLM) like ChatGPT is not a traditional source. You can’t find it in a library, and the URL to your specific chat is not accessible to your professor. This creates a unique citation challenge. The major citation styles have now released guidance, recognizing that students and researchers need a standardized way to document their use of these emergent AI tools. So, how do you properly cite ChatGPT in your next paper? Let’s break it down.

Quick Tip: Before you get deep into the formatting rules, remember that the easiest way to handle citations is with a tool built for the job. A good citation generator can save you a ton of time and help you avoid errors when you need to cite ChatGPT or any other source.

Quick Reference: Citing ChatGPT Across Major Styles

For those in a hurry, here’s a comparative look at the basic formats. Remember to consult the detailed sections below for specific scenarios and requirements on how to cite ChatGPT.

Style	Core Format	Key Characteristic
APA 7th Ed.	Treats the output as software. The author is OpenAI, and you must include the version date.	Requires a descriptor in square brackets, like [Large language model]. Often treated as personal communication if the chat is not shareable.
MLA 9th Ed.	The prompt you used is the title of the source. You list OpenAI as the publisher.	Focuses on the prompt to give context to the AI-generated text. Emphasizes reader-centric details.
Chicago 17th Ed.	Primarily cited in notes rather than the bibliography. Can be treated as personal communication.	Flexible, but prioritizes footnotes for non-retrievable sources to avoid cluttering the bibliography.

How to Cite ChatGPT in APA Style

The American Psychological Association (APA) has provided clear directions. Their approach treats the communication with the AI tool as an algorithm’s output from a software. The guidance from the official APA Style blog suggests crediting OpenAI as the author and specifying the version of ChatGPT you used. This is a critical detail, as large language models are constantly updated.

When you cite ChatGPT, the APA format requires you to create a reference list entry that is clear and informative. The goal is to provide the reader with enough information to understand what the source is and where it came from. Because a private chat isn’t a recoverable source for your reader, APA style guidance has leaned toward treating it like other non-recoverable sources, such as a personal communication.

It’s also good practice in your academic writing to briefly describe how you used the AI tool in your methodology or introduction. You should state what kinds of prompts you used. If you are quoting a response directly, you should include the text generated by the AI in your paper and provide the in-text citation. For longer passages of AI-generated text, APA style suggests you could include the full transcript in an appendix.

A note on personal communication: Some instructors may prefer you to cite ChatGPT as a personal communication because the chat is not publicly accessible. In that case, you would not create a reference list entry. Your in-text citation would look like this: (OpenAI, personal communication, July 17, 2025). Always check your instructor’s preference on this matter.

How to Cite ChatGPT in MLA Style

The Modern Language Association (MLA) takes a slightly different, but equally logical, approach. Their philosophy centers on the specific query you made. According to the MLA Style guide, the prompt you use to get a response from an AI tool acts as the title of the source. This makes sense; the prompt is the creative or intellectual input that produces the output. When you cite ChatGPT in MLA style, you are documenting your specific interaction with the LLM.

This method provides valuable context for your reader. It shows them the exact question or command that led to the information you’re citing. It’s a bit like citing an interview question to frame the answer. The MLA in-text citation then uses a shortened version of that prompt.

MLA also advises that if you use AI tools for tasks like editing your prose or translating phrases, you should acknowledge this in a note or in the text itself. Transparency is the key principle. You are not just citing ChatGPT; you are documenting the role a non-human collaborator played in your research and writing process. This is a vital part of responsible use of these powerful AI tools.

How to Cite ChatGPT in Chicago Style

The Chicago Manual of Style is known for its flexibility, and its guidance on citing AI reflects this. The primary recommendation from the Chicago Manual of Style is to handle AI-generated content in footnotes rather than creating a bibliography entry. This is because, like a personal communication, the content is not retrievable by the reader. This approach keeps the main bibliography clean and reserved for published, recoverable sources like books and journal articles.

When you cite ChatGPT in Chicago style, you will create a note the first time you reference the material. Subsequent notes for the same chat can be shortened. The Chicago Manual also suggests that if you have edited the text generated by the AI, you should mention that in the note. This is another layer of scholarly transparency.

Because the Chicago style treats the output as unpublishable, you typically do not need a reference list entry. However, as with all things academic, your instructor’s preference is the ultimate rule. If they ask for a bibliography entry, you can adapt the format from the other styles to create one. The core components remain the same: author (OpenAI), title (ChatGPT), and date.

For more examples across different formats, this resource sheet on referencing AI provides a helpful overview. And if you have more general citation questions, this page on citation can offer further guidance.

More ChatGPT Citation Examples in Nine Common Styles

While APA, MLA, and Chicago are the most common styles in North American academia, many other systems exist. Below is a detailed comparison table showing how to handle an AI citation across nine different formats. Note how some, like Chicago and Turabian, prioritize notes, while others require a full reference list entry. We hope these will provide even more understanding of how to cite ChatGPT in academic writing.

Style	In-Text Citation Example	Reference List / Works Cited Example
APA 7th Ed.	(OpenAI, 2025)	OpenAI. (2025). ChatGPT (Jul 17 version) [Large language model]. https://chat.openai.com
MLA 9th Ed.	(“Explain the concept”)	“Explain the concept of dramatic irony in Shakespeare’s Othello” prompt. ChatGPT, 17 Jul. version, OpenAI, 17 Jul. 2025, chat.openai.com.
Chicago 17th Ed. (Notes-Bib)	(In a footnote) 1. Text generated by ChatGPT, July 17, 2025, OpenAI, https://chat.openai.com.	A bibliography entry is not typically required. Cite in notes only.
Harvard	(OpenAI, 2025)	OpenAI (2025). ChatGPT. (Jul 17 version). [Large language model]. Available at: https://chat.openai.com (Accessed: 17 July 2025).
Vancouver	(1)	(1) OpenAI. ChatGPT [Large language model]. (Jul 17 version). 2025 [cited 2025 Jul 17]. Available from: https://chat.openai.com
Turabian 9th Ed. (Notes)	(In a footnote) 1. ChatGPT, response to “Explain the concept of dramatic irony in Shakespeare’s Othello,” July 17, 2025, OpenAI.	A bibliography entry is not typically required. Cite in notes only.
IEEE	[1]	[1] OpenAI, “ChatGPT,” (Jul 17 version), large language model, Jul. 17, 2025. Accessed: Jul. 17, 2025. [Online]. Available: https://chat.openai.com
AMA 11th Ed.	(Superscript number) ¹	1. ChatGPT. Large language model. OpenAI. Accessed July 17, 2025. https://chat.openai.com
ACS	(Superscript or italic number) 1 or ¹	(1) ChatGPT, version Jul 17; Large Language Model; OpenAI, 2025. https://chat.openai.com (accessed 2025-07-17).

When Acknowledgment Is Enough

You don’t need to cite ChatGPT for every single interaction. If you use an AI tool for tasks that fall under general writing support, a formal citation is often unnecessary. These uses are more akin to using a grammar checker or a thesaurus.

• Brainstorming initial ideas without using the specific text generated.
• Checking your grammar and spelling.
• Rephrasing a single sentence for clarity (though extensive paraphrasing should be cited).
• Using it as a more advanced search engine to find topics to research further through traditional means.

Deciding where to draw the line between a helpful tool and a substantive contributor can be a perplexing gray area. A good rule of thumb is to consider the intellectual labor involved. Did the AI tool save you from the mechanical work of finding a synonym, or did it perform the intellectual work of synthesizing ideas or formulating a unique thesis statement? If the AI-generated content forms the backbone of a paragraph or a key argument, it has crossed the line from a simple proofreader to a co-generator of ideas and must be cited. This distinction is crucial, as it goes to the heart of what constitutes original work in your field of study.

In these cases, instead of a formal citation, you might include a general acknowledgment in your introduction or methodology section. Something simple will do.

“I used OpenAI’s ChatGPT (Jul 17 version) to assist with brainstorming and refining the initial outline for this paper.”

This approach maintains transparency about your use of AI tools without cluttering your paper with unnecessary in-text citations. This is a developing area, and a key source of instructor and student questions. Always default to your institution’s policy.

The Future of AI Citation and Why It Matters

The standards for citing AI are not set in stone; they are a direct response to a technology that is itself in constant flux. What happens when a future version of an LLM can perfectly cite its training data, providing a verifiable trail for every claim it makes? The very nature of our citation practices might change. The version LLM detail in current citations is a nod to this rapid evolution. Furthermore, creating a clear record of AI involvement is vital for future researchers. Scholars decades from now might study how early 21st-century thinkers collaborated with nascent artificial intelligence, and our citations will be their primary sources. Properly citing ChatGPT is, in a way, an act of historical record-keeping.

Final Thoughts on a New Frontier

Learning how to cite ChatGPT and other forms of AI is more than a new rule to memorize. It represents a shift in how we approach research and writing. The guidelines from APA style, MLA style, and the Chicago Manual of Style are attempts to fit a revolutionary technology into the established frameworks of academic honesty. Your job as a student is to understand the “why” behind the “how.”

Cite ChatGPT when you use its ideas or its exact words. Acknowledge its assistance when it acts as a background helper. And most importantly, never present its work as your own. These LLMs are powerful allies in the pursuit of knowledge. A tool. But you are the scholar, the thinker, and the author. Your voice, your analysis, and your integrity are what make your work valuable. This evolving dialogue between human intellect and machine processing is redefining aspects of scholarship. The responsibility, however, remains squarely on your shoulders. You are the curator of information, the critical thinker who questions the output, and the ethical scholar who gives credit transparently. The hum of the processor is a powerful siren song, but your own analytical voice must always be clearer and stronger. Mastering these AI tools means commanding them, not being commanded by them, and that begins with the simple, honest act of a citation.