APA (7th ed.) Citation

Ducatez, S., & Lefebvre, L. (2014). Patterns of Research Effort in Birds. PLoS ONE, 9(2), 1. https://doi.org/10.1371/journal.pone.0089955

Chicago Style (17th ed.) Citation

Ducatez, Simon, and Louis Lefebvre. "Patterns of Research Effort in Birds." PLoS ONE 9, no. 2 (2014): 1. https://doi.org/10.1371/journal.pone.0089955.

MLA (9th ed.) Citation

Ducatez, Simon, and Louis Lefebvre. "Patterns of Research Effort in Birds." PLoS ONE, vol. 9, no. 2, 2014, p. 1, https://doi.org/10.1371/journal.pone.0089955.