Cita APA (7a ed.)

Sauer, G. C. (1991). Manual of skin diseases (6th ed.). Lippincott.

Cita Chicago Style (17a ed.)

Sauer, Gordon C. Manual of Skin Diseases. 6th ed. Philadelphia [etc.]: Lippincott, 1991.

Cita MLA (9a ed.)

Sauer, Gordon C. Manual of Skin Diseases. 6th ed. Lippincott, 1991.