Style de citation APA (7e éd.)

Beard, C. A., & Beard, M. R. (1944). A basic history of the United States. New York: New Home Library.

Style de citation Chicago (17e éd.)

Beard, Charles A., et Mary R. Beard. A Basic History of the United States. New York: New Home Library, 1944.

Style de citation MLA (8e éd.)

Beard, Charles A., et Mary R. Beard. A Basic History of the United States. New York: New Home Library, 1944.