APA (7th ed.) Citation

Gould, J., & Rutgers, A. (1966). Birds of Europe. Methuen.

Chicago Style (17th ed.) Citation

Gould, John, and A. Rutgers. Birds of Europe. London: Methuen, 1966.

MLA (9th ed.) Citation

Gould, John, and A. Rutgers. Birds of Europe. Methuen, 1966.

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