APA Style

Kalan, H. et al (1985). Principles of medical pharmacology (4 edition). [Toronto, Canada], New York, N: Dept. of Pharmacology, Faculty of Medicine, University of Toronto ; Distributed in the U.S.A. by Oxf.

MLA Style

Kalan, Harold. et al. "Principles of medical pharmacology". 4 edition [Toronto, Canada], New York, N: Dept. of Pharmacology, Faculty of Medicine, University of Toronto ; Distributed in the U.S.A. by Oxf, 1985. Text.