APA (7th ed.) Citation

Friedman, J., Alm, E. J., & Shapiro, B. J. (2013). Sympatric speciation: When is it possible in bacteria? Public Library of Science (PLoS).

Chicago Style (17th ed.) Citation

Friedman, Jonathan, Eric J. Alm, and B Jesse Shapiro. Sympatric Speciation: When Is It Possible in Bacteria? Public Library of Science (PLoS), 2013.

MLA (8th ed.) Citation

Friedman, Jonathan, et al. Sympatric Speciation: When Is It Possible in Bacteria? Public Library of Science (PLoS), 2013.

Warning: These citations may not always be 100% accurate.