APA

Kant I., . (1956). Critique of practical reason. New York: Liberal Arts Press.

Chicago

Kant Immanuel, . 1956. Critique of practical reason. New York: Liberal Arts Press.

Harvard

Kant I., . (1956). Critique of practical reason. New York: Liberal Arts Press.

MLA

Kant Immanuel, . Critique of practical reason. New York: Liberal Arts Press. 1956.