APA (7th ed.) Citation

Casner, M. B., & Gabriel, R. H. (1955). The story of American democracy (3rd ed.). Harcourt, Brace.

Chicago Style (17th ed.) Citation

Casner, Mabel B., and Ralph Henry Gabriel. The Story of American Democracy. 3rd ed. New York: Harcourt, Brace, 1955.

MLA (8th ed.) Citation

Casner, Mabel B., and Ralph Henry Gabriel. The Story of American Democracy. 3rd ed. Harcourt, Brace, 1955.