APA (7th ed.) Citation

MacKinnon, D. M. (1957). A study in ethical theory. A. & C. Black.

Chicago Style (17th ed.) Citation

MacKinnon, Donald MacKenzie. A Study in Ethical Theory. London: A. & C. Black, 1957.

MLA (9th ed.) Citation

MacKinnon, Donald MacKenzie. A Study in Ethical Theory. A. & C. Black, 1957.

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