APA (7th ed.) Citation
Chapman, F. M. (1921). The Distribution of bird life in the Urubamba valley of Peru.
Chicago Style (17th ed.) Citation
Chapman, Frank Michler. The Distribution of Bird Life in the Urubamba Valley of Peru. Washington, 1921.
MLA (9th ed.) Citation
Chapman, Frank Michler. The Distribution of Bird Life in the Urubamba Valley of Peru. 1921.
Warning: These citations may not always be 100% accurate.