Citazione Stile APA (7a Edizione)

Billington, R. A. (1969). American history after 1865: With questions & answers (6. ed.). Littlefield, Adams.

Citazione stile Chigago Style (17a edizione)

Billington, Ray Allen. American History After 1865: With Questions & Answers. 6. ed. Totowa, NJ: Littlefield, Adams, 1969.

Citatione MLA (9a ed.)

Billington, Ray Allen. American History After 1865: With Questions & Answers. 6. ed. Littlefield, Adams, 1969.