If there is a DOI:
Author last name, Author first name. "Article Title." Journal Title, vol. #, no. #, publication date, pp. #-#. Database Name, DOI.
Robbins, Michael. "Paul Muldoon's Covert Operations." Modern Philology, vol. 109, no. 2, 2011, pp. 266-99. JSTOR, https://doi.org/10.1086/663233.
If there is no DOI, then use a URL (particularly a permalink or stable URL, if one is available), and remove the beginning "http://" or "https://" from the link in your citation:
Author last name, Author first name. "Article Title." Journal Title, vol. #, no. #, publication date, pp. #-#. Database Name, URL.
Merriam, Alan P. "Music in American Culture." American Anthropologist, vol. 57, no. 6, 1955, pp. 1173-1181. JSTOR, www.jstor.org/stable/665962.
Author last name, Author first name. Book title. Publisher Name, publication date.
Jans, Nick. The Last Light Breaking: Life among Alaska's Inupiat Eskimos. Alaska Northwest Books, 1993.
Author last name, Author first name. Book title. Publisher Name, publication date. Database Name, URL.
Barkan, Leonard. Mute Poetry, Speaking Pictures. Princeton UP, 2013. EBSCO eBooks, ezproxy.umgc.edu/login?url=http://search.ebscohost.com/login.aspx?direct=true&db=nlebk&AN=503029&site=ehost-live&scope=site.
Author. "Webpage Title." Name of Website, Publication date, URL.
"Paul Laurence Dunbar." Poetry Foundation, 2016, www.poetryfoundation.org/poems-and-poets/poets/detail/paul-laurence-dunbar.
If the author and website organization are the same, start the website citation with the title of the webpage.