Cita APA (7th ed.)

Schwartz, S. I. (1989). Principles of surgery (5th ed.). McGraw-Hill.

Cita Chicago (17th ed.)

Schwartz, Seymour I. Principles of Surgery. 5th ed. New York: McGraw-Hill, 1989.

Cita MLA (9th ed.)

Schwartz, Seymour I. Principles of Surgery. 5th ed. McGraw-Hill, 1989.