Cita APA (7a ed.)

Hart, K. D. (1936). Visualized problems of american democracy. Oxford book co..

Cita Chicago Style (17a ed.)

Hart, Kenneth D. Visualized Problems of American Democracy. New York: Oxford book co., 1936.

Cita MLA (9a ed.)

Hart, Kenneth D. Visualized Problems of American Democracy. Oxford book co., 1936.