Citazione Stile APA (7a Edizione)

Hill, C. P. (1966). A history of the United States (2. ed., revised and enlarged.). Arnold.

Citazione stile Chigago Style (17a edizione)

Hill, C. P. A History of the United States. 2. ed., revised and enlarged. London: Arnold, 1966.

Citatione MLA (9a ed.)

Hill, C. P. A History of the United States. 2. ed., revised and enlarged. Arnold, 1966.