Melden, A. I. (1967). Ethical theories: A book of readings (2nd ed., with revisions.). Prentice-Hall.
Citazione stile Chigago Style (17a edizione)Melden, Abraham Irving. Ethical Theories: A Book of Readings. 2nd ed., with revisions. Englewood Cliffs, N.J: Prentice-Hall, 1967.
Citatione MLA (9a ed.)Melden, Abraham Irving. Ethical Theories: A Book of Readings. 2nd ed., with revisions. Prentice-Hall, 1967.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.