APA - https://apastyle.apa.org/blog/how-to-cite-chatgpt
ICMJE (International Committee of Medical Journal Editors) - https://www.icmje.org/recommendations/browse/manuscript-preparation/preparing-for-submission.html
You should record the tool and the date.
Hosseini M, Resnik DB, Holmes K. The ethics of disclosing the use of artificial intelligence tools in writing scholarly manuscripts. Research Ethics. 2024;19(4)449-465. https://doi.org/10.1177/17470161231180449