APA Citation

Ross, D. L. (2001). Costa Rican bird songs: An identification guide. San José, C.R.: Zona tropical.

Chicago Style Citation

Ross, David L. Costa Rican Bird Songs: An Identification Guide. San José, C.R.: Zona tropical, 2001.

MLA Citation

Ross, David L. Costa Rican Bird Songs: An Identification Guide. San José, C.R.: Zona tropical, 2001.

Warning: These citations may not always be 100% accurate.