Citazione Stile APA (7a Edizione)

Winks, R. W. (1988). A history of civilization (7th.ed.). Prentice Hall.

Citazione stile Chigago Style (17a edizione)

Winks, Robin W. A History of Civilization. 7th.ed. Englewood Cliffs: Prentice Hall, 1988.

Citatione MLA (9a ed.)

Winks, Robin W. A History of Civilization. 7th.ed. Prentice Hall, 1988.