APA (7. basım) Alıntı

ebrary, Inc, & Velkley, R. L. (2007). Freedom and the human person. Catholic University of America Press.

Chicago Style (17. basım) Atıf

ebrary, Inc, ve Richard L. Velkley. Freedom and the Human Person. Washington, D.C.: Catholic University of America Press, 2007.

MLA (9th ed.) Atıf

ebrary, Inc, ve Richard L. Velkley. Freedom and the Human Person. Catholic University of America Press, 2007.