APA (7th ed.) Citation

Giudice, J. H., & Ratti, J. T. (2001). Ring-necked pheasant: Phasianus colchicus. Birds of North America, Inc..

Chicago Style (17th ed.) Citation

Giudice, John H., and John T. Ratti. Ring-necked Pheasant: Phasianus Colchicus. Philadelphia, PA: Birds of North America, Inc., 2001.

MLA (9th ed.) Citation

Giudice, John H., and John T. Ratti. Ring-necked Pheasant: Phasianus Colchicus. Birds of North America, Inc., 2001.