Gaya APA

Krinsky, D, L. et al (2015). Handbook of Nonprescription Drugs: an interactive approach to self-care (18). Washington, DC: American Pharmacist Association (APhA).

Gaya MLA

Krinsky, Daniel, L.. et al. "Handbook of Nonprescription Drugs: an interactive approach to self-care". 18 Washington, DC: American Pharmacist Association (APhA), 2015. Textbook.