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: Harvard University Press, 1955.

MLA (9th ed.) Citation

O'Brian, John Lord. National Security and Individual Freedom. Harvard University Press, 1955.

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