Cita APA (7th ed.)

Craven, A. O., & Johnson, W. (1950). The United States, experiment in democracy. Ginn.

Cita Chicago (17th ed.)

Craven, Avery Odelle, i Walter Johnson. The United States, Experiment in Democracy. Boston: Ginn, 1950.

Cita MLA (9th ed.)

Craven, Avery Odelle, i Walter Johnson. The United States, Experiment in Democracy. Ginn, 1950.