Author(s). (Year). Article title. Journal Title, volume in italics(issue number), pages. URL or DOI
Example with one author:
Rosenbeck, B. (2018). Liberalization of divorce. Scandinavian Journal of History, 43(1), 18–39. https://doi.org/10.1080/03468755.2017.1318338
Example with multiple authors:
Bjedov, I., Toivonen, J. I., Kerr, F., Slack, B., Jacobson, J., Foley, A., & Partridge, L. (2010). Mechanisms of life span extension by rapamycin in the fruit fly Drosophila melanogaster. Cell Metabolism,11(1), 35-46. https://doi.org/10.1016/j.cmet.2009.11.010
Example with 21 or more authors
Bergh, C., Callmar, M., Danemar, S., Hölcke, M., Isberg, S., Leon, M., Lindgren, J., Lundqvist, Å., Niinimaa, M., Olofsson, B., Palmberg, K., Pettersson, A., Zandian, M., Åsberg, K., Brodin, U., Maletz, L., Court, J., Iafeta, I., Björnström, M., … Södersten, P. (2013). Effective treatment of eating disorders: Results at multiple sites. Behavioral Neuroscience, 127(6), 878–889. https://doi.org/10.1037/a0034921.supp
Note. A DOI is a unique Direct Object Identifier assigned to each article in a library database. You may use the DOI or a database permalink, unless your professor specifies one or the other.
Author(s). (Year, Month Day). Article title. Magazine Title, volume in italics(issue number), pages. URL or DOI
Example:
Preston, E. (2015, July 13). How lasers can help clean up beach trash. The Atlantic. http://www.theatlantic.com/science/archive/2016/07/how-lasers-can-help-clean-up-beach-trash/490952/.