APA (7th ed.) Citation

Goodwin, D., & Gillmor, R. (1986). Crows of the world (2nd ed.). British Museum (Natural History).

Chicago Style (17th ed.) Citation

Goodwin, Derek, and Robert Gillmor. Crows of the World. 2nd ed. London: British Museum (Natural History), 1986.

MLA (9th ed.) Citation

Goodwin, Derek, and Robert Gillmor. Crows of the World. 2nd ed. British Museum (Natural History), 1986.