APA (7th ed.) Citation

Hopper, L. M., Kurtycz, L. M., Ross, S. R., & Bonnie, K. E. (2015, March). Captive chimpanzee foraging in a social setting: A test of problem solving, flexibility, and spatial discounting. PeerJ.

Chicago Style (17th ed.) Citation

Hopper, Lydia M., Laura M. Kurtycz, Stephen R. Ross, and Kristin E. Bonnie. "Captive Chimpanzee Foraging in a Social Setting: A Test of Problem Solving, Flexibility, and Spatial Discounting." PeerJ Mar. 2015.

MLA (9th ed.) Citation

Hopper, Lydia M., et al. "Captive Chimpanzee Foraging in a Social Setting: A Test of Problem Solving, Flexibility, and Spatial Discounting." PeerJ, Mar. 2015.