Systems and theories in psychology / [by] Melvin H. Marx and William A. Hillix. Marx, Melvin Herman. Hillix, William A. (William Allen), 1927- joint author. Psychology Philosophy. BF38 .M38 1973 150/.1/9 Includes bibliographies. New York: McGraw-Hill , 1973. 1973. 1973 Text xv, 626 p. eng McGraw-Hill series in psychology