APA (7th ed.) Citation

Merck & Co & Merck Sharp & Dohme. The Merck manual of diagnosis and therapy. Merck, Sharp & Dohme Research Laboratories [etc.].

Chicago Style (17th ed.) Citation

Merck & Co and Merck Sharp & Dohme. The Merck Manual of Diagnosis and Therapy. Rahway, N.J.: Merck, Sharp & Dohme Research Laboratories [etc.].

MLA (9th ed.) Citation

Merck & Co and Merck Sharp & Dohme. The Merck Manual of Diagnosis and Therapy. Merck, Sharp & Dohme Research Laboratories [etc.].