APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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

Warning: These citations may not always be 100% accurate.