Cita APA

Oberle, M. W. 1. (2000). Puerto Rico's birds in photographs (2. edition.). San Juan, Puerto Rico: Humanitas.

Citación estilo Chicago

Oberle, Mark W. 1948-. Puerto Rico's Birds in Photographs. 2. edition. San Juan, Puerto Rico: Humanitas, 2000.

Cita MLA

Oberle, Mark W. 1948-. Puerto Rico's Birds in Photographs. 2. edition. San Juan, Puerto Rico: Humanitas, 2000.