APA (7th ed.) Citation

Avon, D., Tilford, T., & Woolham, F. (1974). Aviary birds in colour. Pitman.

Chicago Style (17th ed.) Citation

Avon, Dennis, Tony Tilford, and Frank Woolham. Aviary Birds in Colour. New York: Pitman, 1974.

MLA (9th ed.) Citation

Avon, Dennis, et al. Aviary Birds in Colour. Pitman, 1974.