Cita APA (7a ed.)

Rosenberger, K., Simmler, M., Nawroth, C., Langbein, J., & Keil, N. (2020). Goats work for food in a contrafreeloading task. Nature Portfolio.

Cita Chicago Style (17a ed.)

Rosenberger, K., M. Simmler, C. Nawroth, J. Langbein, y N. Keil. Goats Work for Food in a Contrafreeloading Task. Nature Portfolio, 2020.

Cita MLA (8a ed.)

Rosenberger, K., et al. Goats Work for Food in a Contrafreeloading Task. Nature Portfolio, 2020.