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APA Citation Style Guide

A quick guide to using APA citation style

0 Authors

If a reference does not list an author, use the article title in the author position


Drought tolerance in crop plants can conserve water, energy. (2008, January 9). Southeast Farm Press. p. 4.

2-7 Authors

If a reference has between 2 and 7 authors, list each name in the order it appears on the source. 


Cortés, A. J., Monserrate, F. A., Ramírez-Villegas, J., Madriñán, S., & Blair, M. W. (2013). Drought tolerance in wild plant populations: The case of common beans (Phaseolus vulgaris L.). Plos ONE, 8(5), 1-10. doi:10.1371/journal.pone.0062898

8 or More Authors

If a reference has 8 or more authors, list the first 6 names followed by an ellipses and the final name listed.


Marcolino-Gomes, J., Rodrigues, F., Fuganti-Pagliarini, R., Bendix, C., Nakayama, T., Celaya, B., & ... Nepomuceno, A. (2014). Diurnal oscillations of soybean circadian clock and drought responsive genes. Plos ONE, 9(1), 1-13. doi:10.1371/journal.pone.0086402

Group Author

If a reference was authored by a company, organization, or other group, use the group’s formal name. 


Pew Center on Global Climate Change. (2010). The case for action: Creating a clean energy future. Retrieved from