APA aipamena

International Congress of Gastroenterology Prague, Gregor, O., & Riedl, O. (1969). Modern gastroenterology: Verhandlungsbericht. Proceedings. Communications. Edited by O. Gregor and O. Riedl. Schattauer.

Chicago Style aipamena

International Congress of Gastroenterology Prague, Ota Gregor, and Ota Riedl. Modern Gastroenterology: Verhandlungsbericht. Proceedings. Communications. Edited by O. Gregor and O. Riedl. Stuttgart, New York: Schattauer, 1969.

MLA aipamena

International Congress of Gastroenterology Prague, et al. Modern Gastroenterology: Verhandlungsbericht. Proceedings. Communications. Edited by O. Gregor and O. Riedl. Schattauer, 1969.