Citazione APA

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

Stile di citazione Chicago

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

Citazione MLA

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