When authors are listed
Author, A. A., & Author, B. B. (Date of publication, if available). Title of page. Site Name. http://webpage
When no authors are listed
Site Name. (Date of publication, if available). Title of page. http://webpage
Note
When the author and site name are the same, omit the site name from the source element.
Include a retrieval date only when the contents of the page are designed to change over time and the page itself is not archived.
Webpage with author(s)
Semega, J., Kollar, M., Creamer, J., & Mohanty, A. (2019, September 10). Income and poverty in the United States: 2018. U.S. Census
Bureau. https://www.census.gov/library/publications/2019/demo/p60-266.html
Webpage with institution as author and no date
Substance Abuse and Mental Health Services Administration. (n.d.). Understanding child trauma.
https://www.samhsa.gov/child-trauma/understanding-child-trauma
Webpage on a website with changing data
Include a retrieval date only when the content is designed to change over time and the page is not archived
U.S. Census Bureau. (n.d.). U.S. and world population clock. Retrieved July 3, 2019, from https://www.census.gov/popclock/
Adapted from American Psychological Association publication manual (7th ed.).