APA (7th ed.) Citation

Morse, D. H. (1993). Black-throated green warbler: Dendroica virens. American Ornithologists' Union ; The Academy of Natural Sciences.

Chicago Style (17th ed.) Citation

Morse, Douglass H. Black-throated Green Warbler: Dendroica Virens. Washington, D.C. : Philadelphia, PA: American Ornithologists' Union ; The Academy of Natural Sciences, 1993.

MLA (9th ed.) Citation

Morse, Douglass H. Black-throated Green Warbler: Dendroica Virens. American Ornithologists' Union ; The Academy of Natural Sciences, 1993.