Cita APA (7a ed.)

Pulliam, R., Gilbert, B., Klopfer, P. H., Mcdonald, D., Mcdonald, L., & Millikan, G. (1972). On the Evolution of Sociality, with Particular Reference to Tiaris olivacea. Zenodo.

Cita Chicago Style (17a ed.)

Pulliam, Ronald, Barrie Gilbert, Peter Hubert Klopfer, Dennis Mcdonald, Linda Mcdonald, y George Millikan. On the Evolution of Sociality, with Particular Reference to Tiaris Olivacea. Zenodo, 1972.

Cita MLA (9a ed.)

Pulliam, Ronald, et al. On the Evolution of Sociality, with Particular Reference to Tiaris Olivacea. Zenodo, 1972.