APA (7th ed.) Citation

Jackson, J. A., Ouellet, H., & Jackson, B. J. S. (2002). Hairy woodpecker: Picoides villosus. Birds of North America, Inc..

Chicago Style (17th ed.) Citation

Jackson, Jerome A., Henri Ouellet, and Bette J. S. Jackson. Hairy Woodpecker: Picoides Villosus. Philadelphia, Pa.: Birds of North America, Inc., 2002.

MLA (9th ed.) Citation

Jackson, Jerome A., et al. Hairy Woodpecker: Picoides Villosus. Birds of North America, Inc., 2002.