APA (7th ed.) Citation

Bell, C. E. (2001). Encyclopedia of the world's zoos. Fitzroy Dearborn Publishers.

Chicago Style (17th ed.) Citation

Bell, Catharine E. Encyclopedia of the World's Zoos. Chicago, IL, USA: Fitzroy Dearborn Publishers, 2001.

MLA (9th ed.) Citation

Bell, Catharine E. Encyclopedia of the World's Zoos. Fitzroy Dearborn Publishers, 2001.