APA Style

Katzung, B, G. et al (2021). Katzung & Trevor’s Pharmacology Examination & Board Review (Thirteenth Edition.). USA: MC Graw Hill.

MLA Style

Katzung, Bertram, G. et al. "Katzung & Trevor’s Pharmacology Examination & Board Review". Thirteenth Edition. USA: MC Graw Hill, 2021. Text.