Oberle, M. W. 1. (2000). Puerto Rico's birds in photographs (2. edition.). San Juan, Puerto Rico: Humanitas.
Chicago Style CitationOberle, Mark W. 1948-. Puerto Rico's Birds in Photographs. 2. edition. San Juan, Puerto Rico: Humanitas, 2000.
MLA CitationOberle, Mark W. 1948-. Puerto Rico's Birds in Photographs. 2. edition. San Juan, Puerto Rico: Humanitas, 2000.
Warning: These citations may not always be 100% accurate.