APA aipamena

Merck & Co, Merck Sharp & Dohme, Merck Research Laboratories, Beers, M. H., Porter, R. S., Jones, T. V., . . . Barkwits, M. (2006). The Merck manual of diagnosis and therapy (18th ed.). Merck.

Chicago Style aipamena

Merck & Co, Merck Sharp & Dohme, Merck Research Laboratories, Mark H. Beers, Robert S. Porter, Thomas V. Jones, Justin L. Kaplan, and Michael Barkwits. The Merck Manual of Diagnosis and Therapy. 18th ed. Whitehouse Station, NJ: Merck, 2006.

MLA aipamena

Merck & Co, et al. The Merck Manual of Diagnosis and Therapy. 18th ed. Merck, 2006.