APA Style

Katzung, B, G. et al (2021). KATZUNG AND TREVOR'S PHARMACOLOGY EXAMININATION AND BOARD REVIEW (Thirteenth Edition). New York: Mc Graw hill.

MLA Style

Katzung, Bertram, G.. et al. "KATZUNG AND TREVOR'S PHARMACOLOGY EXAMININATION AND BOARD REVIEW". Thirteenth Edition New York: Mc Graw hill, 2021. Text.