APA (7th ed.) Citation

Enkerlin-Hoeflich, E. C., & Hogan, K. M. (1997). Red-crowned parrot: Amazona viridigenalis. American Ornithologists' Union ; The Academy of Natural Sciences.

Chicago Style (17th ed.) Citation

Enkerlin-Hoeflich, Ernesto C., and Kelly M. Hogan. Red-crowned Parrot: Amazona Viridigenalis. [Washington, D.C.] : Philadelphia, PA: American Ornithologists' Union ; The Academy of Natural Sciences, 1997.

MLA (9th ed.) Citation

Enkerlin-Hoeflich, Ernesto C., and Kelly M. Hogan. Red-crowned Parrot: Amazona Viridigenalis. American Ornithologists' Union ; The Academy of Natural Sciences, 1997.