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：这些引文格式不一定是100％准确.