The American Psychological Association (APA) citation style is used frequently in Psychology, Business, Criminology, Economics, Education, Sociology, and widely throughout the social sciences and humanities.
Books
One author:
Faulkner, W. (1936). Absalom, Absalom!. New York, NY: Vintage Books.
Two authors:
Lash, S., & Urry, J. (1994). Economies of signs & space. London, England: Sage Publications.
Articles
Journal article with no DOI assigned:
MacDonald, S. P. (2007). The erasure of language. College Composition and Communication, 58(4), 585-625. Retrieved from http://www.jstor.org/stable/20456967
Journal article with DOI assigned:
Forret, M., Fox-Turnbull, W., Granshaw, B., Harwood, C., Miller, A., O'Sullivan, G., & Patterson, M. (2013). Towards a pre-service technology teacher education resource for New Zealand. International Journal of Technology & Design Education, 23(3), 473-487. doi:10.1007/s10798-011-9199-8
What is a DOI?
A digital object identifier (DOI) is a unique alphanumeric string assigned by a registration agency (the International DOI Foundation) to identify content and provide a persistent link to its location on the Internet. The publisher assigns a DOI when your article is published and made available electronically. From apastyle.org.
Websites
Website:
Weitering, H. (2018). Missed the blood moon lunar eclipse? Here's when the next one is happening. Retrieved from http://www.space.com/39557-next-blood-moon-eclipses-2018-2019.html
Website (with no date or author given):
Our Lady of the Lake University. (n.d). Mission, vision, and values. Retrieved from http://www.ollusa.edu/s/1190/hybrid/18/default-hybrid-ollu.aspx?sid=1190&gid=1&pgid=7889
For more examples check
Academic Writer