Hartley, W. H., & Vincent, W. S. (1974). American civics (2d ed.). Harcourt Brace Jovanovich.
Chicago Style (17th ed.) CitationHartley, William Harrison, and William Shafer Vincent. American Civics. 2d ed. New York: Harcourt Brace Jovanovich, 1974.
MLA (8th ed.) CitationHartley, William Harrison, and William Shafer Vincent. American Civics. 2d ed. Harcourt Brace Jovanovich, 1974.
Warning: These citations may not always be 100% accurate.