Cita APA (7a ed.)

Heffner, R. D. (1954). A documentary history of The United States (3rd print.). The New American Library.

Cita Chicago Style (17a ed.)

Heffner, Richard D. A Documentary History of The United States. 3rd print. New York: The New American Library, 1954.

Cita MLA (9a ed.)

Heffner, Richard D. A Documentary History of The United States. 3rd print. The New American Library, 1954.