Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (8a ed.)

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