APA (7e ed.) Bronvermelding

Parkes, . H. B. (1968). The United States of America: A History. Scientific Book.

Chicago (17e ed.) Bronvermelding

Parkes, Henry Bamford. The United States of America: A History. Calcutta: Scientific Book, 1968.

MLA (9e ed.) Bronvermelding

Parkes, Henry Bamford. The United States of America: A History. Scientific Book, 1968.