OpenAI. (2023). ChatGPT (Current Date version) [Large language model]. https://chat.openai.com/chat
Include the version date or specific version number if applicable (e.g., "December 17 version").
Provide the URL for OpenAI's official website or the page where ChatGPT is accessible.
Always check with your institution or instructor for additional guidance on citing AI tools, as conventions are still evolving.