APA (7th ed.) Citation

Godfrey, W. E., & Crosby, J. A. (1986). The birds of Canada (Rev. ed.). National Museum of Natural Sciences, National Museums of Canada.

Chicago Style (17th ed.) Citation

Godfrey, W. Earl, and John A. Crosby. The Birds of Canada. Rev. ed. Ottawa: National Museum of Natural Sciences, National Museums of Canada, 1986.

MLA (9th ed.) Citation

Godfrey, W. Earl, and John A. Crosby. The Birds of Canada. Rev. ed. National Museum of Natural Sciences, National Museums of Canada, 1986.