Citazione APA

Beard, C. A. (1960). The Beard's new basic history of the United States. Doubleday.

Stile di citazione Chicago

Beard, Charles A. The Beard's New Basic History of the United States. New York: Doubleday, 1960.

Citazione MLA

Beard, Charles A. The Beard's New Basic History of the United States. Doubleday, 1960.