APA (7th ed.) Citation

Simpson, J. W., & Else, R. W. (1991). Digestive disease in the dog and cat. Blackwell Scientific.

Chicago Style (17th ed.) Citation

Simpson, J. W., and Roderick W. Else. Digestive Disease in the Dog and Cat. Oxford ; Boston: Blackwell Scientific, 1991.

MLA (9th ed.) Citation

Simpson, J. W., and Roderick W. Else. Digestive Disease in the Dog and Cat. Blackwell Scientific, 1991.