Cita APA (7th ed.)

Schwartz, S. I. (1979). Principles of surgery. McGraw-Hill.

Cita Chicago (17th ed.)

Schwartz, Seymour I. Principles of Surgery. New York: McGraw-Hill, 1979.

Cita MLA (9th ed.)

Schwartz, Seymour I. Principles of Surgery. McGraw-Hill, 1979.