Cita APA

Barrantes Montero, G., Sánchez, C., Hilje, B., & Jaffé, R. (2008). Male song variation of Green Violetear (Colibri thalassinus) in the Talamanca Mountain Range, Costa Rica.

Citación estilo Chicago

Barrantes Montero, Gilbert, Carlos Sánchez, Branko Hilje, y R. Jaffé. Male Song Variation of Green Violetear (Colibri Thalassinus) in the Talamanca Mountain Range, Costa Rica. 2008.

Cita MLA

Barrantes Montero, Gilbert, Carlos Sánchez, Branko Hilje, y R. Jaffé. Male Song Variation of Green Violetear (Colibri Thalassinus) in the Talamanca Mountain Range, Costa Rica. 2008.