Citazione Stile APA (7a Edizione)

Beers, B. F. (1991). World history: Patterns of civilization (Annotated teacher's ed., heritage ed.). Prentice Hall.

Citazione stile Chigago Style (17a edizione)

Beers, Burton F. World History: Patterns of Civilization. Annotated teacher's ed., heritage ed. Englewood Cliffs, N.J: Prentice Hall, 1991.

Citatione MLA (9a ed.)

Beers, Burton F. World History: Patterns of Civilization. Annotated teacher's ed., heritage ed. Prentice Hall, 1991.