Cita APA (7a ed.)

Foerder, P., Galloway, M., Barthel, T., Moore, D. E., & Reiss, D. (2011). Insightful problem solving in an Asian elephant. Public Library of Science (PLoS).

Cita Chicago Style (17a ed.)

Foerder, Preston, Marie Galloway, Tony Barthel, Donald E. Moore, y Diana Reiss. Insightful Problem Solving in an Asian Elephant. Public Library of Science (PLoS), 2011.

Cita MLA (8a ed.)

Foerder, Preston, et al. Insightful Problem Solving in an Asian Elephant. Public Library of Science (PLoS), 2011.