Use the author’s last name in parentheses: (Smith)
If there is no author, use a shortened version of the website title in quotation marks: (“How to Cite”)
If there are no page numbers, omit them
If the author’s name is mentioned in the sentence, do not repeat it in parentheses
If the website has multiple authors, use the first author’s last name followed by et al.: (Smith et al.)
If the website is part of a larger site with no clear author, cite the organization name if appropriate: (CDC)