APA
O'Keefe M. D., . (1987). Known from the things that are. Houston, Tex: Center for Thomistic Studies, University of St. Thomas.
Chicago
O'Keefe Martin D, . 1987. Known from the things that are. Houston, Tex: Center for Thomistic Studies, University of St. Thomas.
Harvard
O'Keefe M. D., . (1987). Known from the things that are. Houston, Tex: Center for Thomistic Studies, University of St. Thomas.
MLA
O'Keefe Martin D, . Known from the things that are. Houston, Tex: Center for Thomistic Studies, University of St. Thomas. 1987.