APA (7th ed.) Citation

Merck Research Laboratories & Beers, M. H. (2006). The Merck manual of diagnosis and therapy (18th ed.). Merck Research Laboratories.

Chicago Style (17th ed.) Citation

Merck Research Laboratories and Mark H. Beers. The Merck Manual of Diagnosis and Therapy. 18th ed. Whitehouse Station, N.J: Merck Research Laboratories, 2006.

MLA (9th ed.) Citation

Merck Research Laboratories and Mark H. Beers. The Merck Manual of Diagnosis and Therapy. 18th ed. Merck Research Laboratories, 2006.