APA (7th ed.) Citation

Melden, A. I. (1967). Ethical theories: A book of readings (2nd ed., with revisions.). Prentice-Hall.

Chicago Style (17th ed.) Citation

Melden, Abraham Irving. Ethical Theories: A Book of Readings. 2nd ed., with revisions. Englewood Cliffs, N.J: Prentice-Hall, 1967.

MLA (9th ed.) Citation

Melden, Abraham Irving. Ethical Theories: A Book of Readings. 2nd ed., with revisions. Prentice-Hall, 1967.