APA (7th ed.) Citation

Hartmann, N., & Colt, S. (1958). Ethics. Allen & Unwin; Macmillan.

Chicago Style (17th ed.) Citation

Hartmann, Nicolai, and Stanton Colt. Ethics. London : New York: Allen & Unwin; Macmillan, 1958.

MLA (9th ed.) Citation

Hartmann, Nicolai, and Stanton Colt. Ethics. Allen & Unwin; Macmillan, 1958.