Hartley, W. H., & Vincent, W. S. (1970). American civics (3rd ed.). Harcourt brace jovanovich.
Chicago Style (17th ed.) CitationHartley, William H., and William S. Vincent. American Civics. 3rd ed. New York: Harcourt brace jovanovich, 1970.
MLA引文Hartley, William H., and William S. Vincent. American Civics. 3rd ed. Harcourt brace jovanovich, 1970.
警告:這些引文格式不一定是100%准確.