Cita APA (7th ed.)

Cournot, A. A. (1956). An essay on the foundations of our knowledge. Liberal Arts Press.

Cita Chicago (17th ed.)

Cournot, Antoine Augustin. An Essay on the Foundations of Our Knowledge. New York: Liberal Arts Press, 1956.

Cita MLA (9th ed.)

Cournot, Antoine Augustin. An Essay on the Foundations of Our Knowledge. Liberal Arts Press, 1956.