Cita APA (7a ed.)

O'Hara, J. F. (1952). The Natural Law. Washington, D.C..

Cita Chicago Style (17a ed.)

O'Hara, John Francis. The Natural Law. Washington, D.C., 1952.

Cita MLA (8a ed.)

O'Hara, John Francis. The Natural Law. Washington, D.C., 1952.