APA (7th ed.) Citation

Whitehead, D. R., & Taylor, T. (2002). Acadian flycatcher: Empidonax virescens. Birds of North America, Inc..

Chicago Style (17th ed.) Citation

Whitehead, Donald R., and Terry Taylor. Acadian Flycatcher: Empidonax Virescens. Philadelphia, Pa.: Birds of North America, Inc., 2002.

MLA (9th ed.) Citation

Whitehead, Donald R., and Terry Taylor. Acadian Flycatcher: Empidonax Virescens. Birds of North America, Inc., 2002.