Cita APA (7th ed.)

Alonso, A., Dallmeier, F., & Campbell, P. (2001). Urubamba: The biodiversity of a peruvian rainforest. Smithsonian Institution.

Cita Chicago (17th ed.)

Alonso, Alfonso, Francisco Dallmeier, i Patrick Campbell. Urubamba: The Biodiversity of a Peruvian Rainforest. Washington, D.C: Smithsonian Institution, 2001.

Cita MLA (9th ed.)

Alonso, Alfonso, et al. Urubamba: The Biodiversity of a Peruvian Rainforest. Smithsonian Institution, 2001.