Cita APA (7a ed.)

Freeman, M., & Tubbs, E. V. (1941). The story of our republic. F.A. Davis.

Cita Chicago Style (17a ed.)

Freeman, Melville, y Eston Valentine Tubbs. The Story of Our Republic. Philadelphia: F.A. Davis, 1941.

Cita MLA (8a ed.)

Freeman, Melville, y Eston Valentine Tubbs. The Story of Our Republic. F.A. Davis, 1941.