Eisermann, K., & Omland, K. (2007). Coloration anomaly of a male collared trogon (Trogon collris). Instituto de Ecología, A.C.
Chicago Style (17th ed.) CitationEisermann, Knut, and Kevin Omland. Coloration Anomaly of a Male Collared Trogon (Trogon Collris). Instituto de Ecología, A.C, 2007.
MLA citiranjeEisermann, Knut, and Kevin Omland. Coloration Anomaly of a Male Collared Trogon (Trogon Collris). Instituto de Ecología, A.C, 2007.