It is up to you to locate the elements of a citation from each of your sources.
Four Elements of References Entries:
Use a period after each type of element. Use commas when separating the parts of an element. Do not put a period after a URL or DOI.
Web page/Article from website:
Author, A. A., & Author, B. B. (Year, Month day). Title of page/article. Title of site. URL
Social Media post:
Author, A. A. (Year, Month day). Up to 20 words of post. Site. URL