Henderson, G. L., & Johnson, C. H. (1974). The four roles of mathematics: A liberal arts approach. Prindle, Weber Dan Schmid, incorporated.
Chicago Style (17th ed.) CitationHenderson, George L., and Charles H. Johnson. The Four Roles of Mathematics: A Liberal Arts Approach. Prindle, Weber Dan Schmid, incorporated, 1974.
MLA (8th ed.) CitationHenderson, George L., and Charles H. Johnson. The Four Roles of Mathematics: A Liberal Arts Approach. Prindle, Weber Dan Schmid, incorporated, 1974.
Warning: These citations may not always be 100% accurate.