International Academy of Proctology. (2004). American Journal of Proctology, Gastroenterology and Colon and Rectal Surgery. McMahon.
Cita Chicago Style (17a ed.)International Academy of Proctology. American Journal of Proctology, Gastroenterology and Colon and Rectal Surgery. New York: McMahon, 2004.
Cita MLA (8a ed.)International Academy of Proctology. American Journal of Proctology, Gastroenterology and Colon and Rectal Surgery. McMahon, 2004.
Precaución: Estas citas no son 100% exactas.