Cita APA (7a ed.)

Hamm, W. A., & Gavian, R. W. (1959). The american story. Heath.

Cita Chicago Style (17a ed.)

Hamm, William A., y Ruth Wood Gavian. The American Story. Boston: Heath, 1959.

Cita MLA (8a ed.)

Hamm, William A., y Ruth Wood Gavian. The American Story. Heath, 1959.