APA引文

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

Chicago Style (17th ed.) Citation

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

MLA引文

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

警告：這些引文格式不一定是100％准確.