Citazione Stile APA (7a Edizione)

Channing, E. (1921). A student's history of the United States (4a. ed.). Macmillan.

Citazione stile Chigago Style (17a edizione)

Channing, Edward. A Student's History of the United States. 4a. ed. Nueva York: Macmillan, 1921.

Citatione MLA (9a ed.)

Channing, Edward. A Student's History of the United States. 4a. ed. Macmillan, 1921.