Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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