APA
American Catholic Philosophical Association, Voorhies V. & McLean G. F. (1967). The nature of philosophical inquiry. Washington (D.C.): Catholic University of America.
Chicago
American Catholic Philosophical Association, Voorhies Valerie and McLean George F. 1967. The nature of philosophical inquiry. Washington (D.C.): Catholic University of America.
Harvard
American Catholic Philosophical Association, Voorhies V. and McLean G. F. (1967). The nature of philosophical inquiry. Washington (D.C.): Catholic University of America.
MLA
American Catholic Philosophical Association, Voorhies Valerie and McLean George F. The nature of philosophical inquiry. Washington (D.C.): Catholic University of America. 1967.
TextSeries: Proceedings of the American Catholic Philosophical Association ; 041Publication details: Washington (D.C.) : Catholic University of America, 1967.Description: 273 p. ; 23 cmOther classification: 
Opera (Magaz.)