Many citation styles have recently created guidelines for citing text, images, sounds or other material generated by artificial intelligence (AI) tools:
APA How to cite ChatGPT - This link from APAstyle provides guidance on in-text citations, reference list citations, and how to adapt this format for other AI tools.
MLA How do I cite generative AI in MLA? - This FAQ guides formatting in-text citations, citations in works cited, as well as other useful hints.
Chicago FAQ item from Chicago - This brief FAQ gives a couple of examples for citing AI in-text but does not recommend listing the AI material in the reference list.
IEEE IEEE guidelines on Artificial Intelligence (AI)-generated text