APA aipamena

Guittar, J. L., Dear, F., & Vaughan, C. (2009). Scarlet Macaw (Ara macao, Psittaciformes: Psittacidae) Nest Characteristics in the Osa Peninsula Conservation Area (ACOSA), Costa Rica.

Chicago Style aipamena

Guittar, John L., Fiona Dear, y Christopher Vaughan. Scarlet Macaw (Ara Macao, Psittaciformes: Psittacidae) Nest Characteristics in the Osa Peninsula Conservation Area (ACOSA), Costa Rica. 2009.

MLA aipamena

Guittar, John L., Fiona Dear, y Christopher Vaughan. Scarlet Macaw (Ara Macao, Psittaciformes: Psittacidae) Nest Characteristics in the Osa Peninsula Conservation Area (ACOSA), Costa Rica. 2009.