Citazione Stile APA (7a Edizione)

Swain, . J. E. (1947). A history of world civilization. (2nd ed.). McGraw-Hill,.

Citazione stile Chigago Style (17a edizione)

Swain, James Edgar. A History of World Civilization. 2nd ed. New York,: McGraw-Hill,, 1947.

Citatione MLA (9a ed.)

Swain, James Edgar. A History of World Civilization. 2nd ed. McGraw-Hill,, 1947.