APA (7th ed.) Citation

MACKENZIE, J. S. (1929). A manual of ethics (6thed.). University Tutorial Press.

Chicago Style (17th ed.) Citation

MACKENZIE, John S. A Manual of Ethics. 6thed. London: University Tutorial Press, 1929.

MLA (9th ed.) Citation

MACKENZIE, John S. A Manual of Ethics. 6thed. University Tutorial Press, 1929.