Cita APA (7a ed.)

Hartshorne, C. (1973). The logic of perfection. Open Court.

Cita Chicago Style (17a ed.)

Hartshorne, Charles. The Logic of Perfection. La Salle, Illinois: Open Court, 1973.

Cita MLA (9a ed.)

Hartshorne, Charles. The Logic of Perfection. Open Court, 1973.