Cita APA (7th ed.)

Merck Sharp & Dohme Corp & Porter, R. S. (2011). The Merck manual of diagnosis and therapy (19th edition.). Merck Sharp & Dohme.

Cita Chicago (17th ed.)

Merck Sharp & Dohme Corp i Robert S. Porter. The Merck Manual of Diagnosis and Therapy. 19th edition. Whitehouse Station, New Jersey: Merck Sharp & Dohme, 2011.

Cita MLA (9th ed.)

Merck Sharp & Dohme Corp i Robert S. Porter. The Merck Manual of Diagnosis and Therapy. 19th edition. Merck Sharp & Dohme, 2011.