Ausubel, H. (1951). Historians and their Craft: a Study of the Presidential Addresses of the American Historical Association, 1884 - 1945: By Herman Ausubel ((2. print.).). Columbia University Press.
Chicago-Zitierstil (17. Ausg.)Ausubel, Herman. Historians and Their Craft: A Study of the Presidential Addresses of the American Historical Association, 1884 - 1945: By Herman Ausubel. (2. print.). New York: Columbia University Press, 1951.
MLA-Zitierstil (9. Ausg.)Ausubel, Herman. Historians and Their Craft: A Study of the Presidential Addresses of the American Historical Association, 1884 - 1945: By Herman Ausubel. (2. print.). Columbia University Press, 1951.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.