APA

Beard C. A., Beard M. R. & Beard W. (1960). New basic history of the United States. New York: Doubleday and Company.

Chicago

Beard Charles Austin, Beard Mary Ritter and Beard William. 1960. New basic history of the United States. New York: Doubleday and Company.

Harvard

Beard C. A., Beard M. R. and Beard W. (1960). New basic history of the United States. New York: Doubleday and Company.

MLA

Beard Charles Austin, Beard Mary Ritter and Beard William. New basic history of the United States. New York: Doubleday and Company. 1960.