Weaver H. G. (1953). Mainspring of human progress (2nd rev ed.). Foundation for Economic Education.
Chicago Style (17th ed.) CitationWeaver H. G. Mainspring of Human Progress. 2nd rev ed. New York: Foundation for Economic Education, 1953.
MLA (8th ed.) CitationWeaver H. G. Mainspring of Human Progress. 2nd rev ed. Foundation for Economic Education, 1953.
Warning: These citations may not always be 100% accurate.