Cita APA (7a ed.)

Williams, W. (1943). Veterinary obstetrics (4th edition.). Ethel Williams Plimpton.

Cita Chicago Style (17a ed.)

Williams, W.L. Veterinary Obstetrics. 4th edition. Worcester: Ethel Williams Plimpton, 1943.

Cita MLA (8a ed.)

Williams, W.L. Veterinary Obstetrics. 4th edition. Ethel Williams Plimpton, 1943.