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.
Faulkner, W. (1936). Absalom, Absalom!. New York, NY: Vintage Books.
Lash, S., & Urry, J. (1994). Economies of signs & space. London, England: Sage Publications.
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
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
Article databases like Academic Search Complete and JSTOR have a "Cite" feature under Tools that allows you to view the citation and copy/paste it directly into your References page. Make sure to double check it with the Style Guide!