APA (7th ed.) Citation

Colahan, P. T. (1991). Equine medicine and surgery (Fourth edition.). American Veterinary Publicatons.

Chicago Style (17th ed.) Citation

Colahan, Patrick T. Equine Medicine and Surgery. Fourth edition. Goleta, Calif.: American Veterinary Publicatons, 1991.

MLA (9th ed.) Citation

Colahan, Patrick T. Equine Medicine and Surgery. Fourth edition. American Veterinary Publicatons, 1991.