Cita APA (7a ed.)

Todd, L. P., Hartley, W. H., & Vincent, W. S. (1983). American civics (4. ed.). Harcourt, Brace, Jovanovich.

Cita Chicago Style (17a ed.)

Todd, Lewis Paul, William H. Hartley, y William S. Vincent. American Civics. 4. ed. New York [u.a.]: Harcourt, Brace, Jovanovich, 1983.

Cita MLA (9a ed.)

Todd, Lewis Paul, et al. American Civics. 4. ed. Harcourt, Brace, Jovanovich, 1983.