APA (7th ed.) Citation

Hartley, W. H., & Vincent, W. S. (1970). American civics (Rev. ed.). Harcourt, Brace & World.

Chicago Style (17th ed.) Citation

Hartley, William Harrison, and William Shafer Vincent. American Civics. Rev. ed. New York: Harcourt, Brace & World, 1970.

MLA (9th ed.) Citation

Hartley, William Harrison, and William Shafer Vincent. American Civics. Rev. ed. Harcourt, Brace & World, 1970.