APA (7th ed.) Citation

Sauer, G. C. (1996). John Gould, the bird man. Sotheran.

Chicago Style (17th ed.) Citation

Sauer, Gordon C. John Gould, the Bird Man. London: Sotheran, 1996.

MLA (9th ed.) Citation

Sauer, Gordon C. John Gould, the Bird Man. Sotheran, 1996.

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