Παραπομπή APA

A Knifton, G A Statmer, R Einstein, & R S Jones. (1994). Principles of Veterinary Therapeutics (1.). England.

Παραπομπή Chicago Style

A Knifton, G A Statmer, R Einstein, και R S Jones. Principles of Veterinary Therapeutics. 1. England, 1994.

Παραπομπή MLA

A Knifton, et al. Principles of Veterinary Therapeutics. 1. England, 1994.