APA (7th ed.) Citation

Benkman, C. W. (1992). White-winged crossbill: Loxia leucoptera. American Ornithologists' Union ; The Academy of Natural Sciences.

Chicago Style (17th ed.) Citation

Benkman, Craig W. White-winged Crossbill: Loxia Leucoptera. Washington, D.C. : Philadelphia, PA: American Ornithologists' Union ; The Academy of Natural Sciences, 1992.

MLA (9th ed.) Citation

Benkman, Craig W. White-winged Crossbill: Loxia Leucoptera. American Ornithologists' Union ; The Academy of Natural Sciences, 1992.

Warning: These citations may not always be 100% accurate.