APA Style

Berkow, Robert. (1977). The Merck Manual Of Diagnosis And Therapy (Thirteenth Edition). USA: Merck Sharp & Dohme Research Laboratories.

Chicago Style

Berkow, Robert. The Merck Manual Of Diagnosis And Therapy. Thirteenth Edition USA: Merck Sharp & Dohme Research Laboratories, 1977. Text.

MLA Style

Berkow, Robert. The Merck Manual Of Diagnosis And Therapy. Thirteenth Edition USA: Merck Sharp & Dohme Research Laboratories, 1977. Text.

Turabian Style

Berkow, Robert. The Merck Manual Of Diagnosis And Therapy. Thirteenth Edition USA: Merck Sharp & Dohme Research Laboratories, 1977. Print.