Cita APA (7a ed.)

Kant, I. (1974). On the old saw: That may be right in theory but it won't work in practice. University of Pennsylvania Press.

Cita Chicago Style (17a ed.)

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.

Cita MLA (8a ed.)

Kant, Immanuel. On the Old Saw: That May Be Right in Theory but It Won't Work in Practice. University of Pennsylvania Press, 1974.