Casner, M. B., & Gabriel, R. H. (1945). The story of American democracy. Harcourt.
Cita Chicago (17th ed.)Casner, Mabel B., i Ralph H. Gabriel. The Story of American Democracy. New York: Harcourt, 1945.
Cita MLA (9th ed.)Casner, Mabel B., i Ralph H. Gabriel. The Story of American Democracy. Harcourt, 1945.
Atenció: Aquestes cites poden no estar 100% correctes.