Cita APA (7a ed.)

Werkmeister, W. (1961). Theories of ethics. A study in moral obligation. Johnsen Publishing Company.

Cita Chicago Style (17a ed.)

Werkmeister, W.H. Theories of Ethics. A Study in Moral Obligation. Lincoln: Johnsen Publishing Company, 1961.

Cita MLA (9a ed.)

Werkmeister, W.H. Theories of Ethics. A Study in Moral Obligation. Johnsen Publishing Company, 1961.