For websites, use the following format, keeping in mind that some citations may not contain all of these parts.
Author name(s): last name, first initial, middle initial. Put a period at the end. Separate multiple authors with commas. (Many times, there are no authors listed on websites.)
Item title or organization: capitalize important words and follow with a period.
Website name: follow with a period.
URL: cop and past the URL. Follow with a period.
Publication date: follow month, day, year format. End with a period.
Updated date: follow month, day, year format. End with a period.
Access: type Accessed followed by the month, day, and year. End with a period.
9. Learn About Clinical Studies. ClinicalTrials.gov. https://clinicaltrials.gov/ct2/about-studies/learn. Updated March 2019. Accessed October 18, 2021.