Kant, I. (1974). On the old saw: That may be right in theory but it won't work in practice. University of Pennsylvania Press.
Chicago-Zitierstil (17. Ausg.)Kant, Immanuel. On the Old Saw: That May Be Right in Theory but It Won't Work in Practice. Philadelphia: University of Pennsylvania Press, 1974.
MLA-Zitierstil (9. Ausg.)Kant, Immanuel. On the Old Saw: That May Be Right in Theory but It Won't Work in Practice. University of Pennsylvania Press, 1974.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.