APA (7th ed.) Citation

O'Brian, J. L. (1955). National security and individual freedom. Harvard university press.

Chicago Style (17th ed.) Citation

O'Brian, John Lord. National Security and Individual Freedom. Cambridge, Mass.: Harvard university press, 1955.

MLA (8th ed.) Citation

O'Brian, John Lord. National Security and Individual Freedom. Harvard university press, 1955.

Warning: These citations may not always be 100% accurate.