Zollinger, R. M., & Zollinger, R. M. (1988). Atlas of surgical operations (6th ed.). Macmillan.
Cita Chicago Style (17a ed.)Zollinger, Robert Milton, y Robert Milton Zollinger. Atlas of Surgical Operations. 6th ed. New York: Macmillan, 1988.
Cita MLA (9a ed.)Zollinger, Robert Milton, y Robert Milton Zollinger. Atlas of Surgical Operations. 6th ed. Macmillan, 1988.
Precaución: Estas citas no son 100% exactas.