Ausubel, H. (1950). Historians and their craft: A study of the presidential addresses of the American Historical Association, 1884 - 1945. Columbia Press.
Chicago-Zitierstil (17. Ausg.)Ausubel, Herman. Historians and Their Craft: A Study of the Presidential Addresses of the American Historical Association, 1884 - 1945. New York: Columbia Press, 1950.
MLA-Zitierstil (9. Ausg.)Ausubel, Herman. Historians and Their Craft: A Study of the Presidential Addresses of the American Historical Association, 1884 - 1945. Columbia Press, 1950.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.