APA (7th ed.) Citation

Udall, D. H. (1939). The practice of veterinary medicine (Third revised edition.). The author.

Chicago Style (17th ed.) Citation

Udall, D. H. The Practice of Veterinary Medicine. Third revised edition. Ithaca, N.Y.: The author, 1939.

MLA (9th ed.) Citation

Udall, D. H. The Practice of Veterinary Medicine. Third revised edition. The author, 1939.