O'Keefe, M. D. (1987). Known from the things that are: Fundamental theory of the moral life. Center for Thomistic Studies.
Chicago Style (17th ed.) CitationO'Keefe, Martin D. Known from the Things That Are: Fundamental Theory of the Moral Life. Houston, Tex: Center for Thomistic Studies, 1987.
MLA (9th ed.) CitationO'Keefe, Martin D. Known from the Things That Are: Fundamental Theory of the Moral Life. Center for Thomistic Studies, 1987.
Warning: These citations may not always be 100% accurate.