APA-referens (7:e uppl.)

Heffner, R. D. (1954). History of the United States. The New American Library.

Chicago-referens (17:e uppl.)

Heffner, Richard D. History of the United States. New York: The New American Library, 1954.

MLA-referens (9:e uppl.)

Heffner, Richard D. History of the United States. The New American Library, 1954.