APA استشهاد

Lawrence R Soma, Lowence R Soma, & R Lawrence. (1971). Textbook of Veterinary Anesthesia. Baltimore.

استشهاد بنمط شيكاغو

Lawrence R Soma, Lowence R Soma, و R Lawrence. Textbook of Veterinary Anesthesia. Baltimore, 1971.

MLA استشهاد

Lawrence R Soma, et al. Textbook of Veterinary Anesthesia. Baltimore, 1971.