APA
Robert M. Zollinger, . (1962). The American Journal Of Surgery. New York: The American Jopurnal Of Surgery.
Chicago
Robert M. Zollinger, . 1962. The American Journal Of Surgery. New York: The American Jopurnal Of Surgery.
Harvard
Robert M. Zollinger, . (1962). The American Journal Of Surgery. New York: The American Jopurnal Of Surgery.
MLA
Robert M. Zollinger, . The American Journal Of Surgery. New York: The American Jopurnal Of Surgery. 1962.