APA-referens

Pearce, F. G. (1969). Outline history of civilization (2nd. ed.). Oxford University Press.

Chicago-stil citat

Pearce, F. G. Outline History of Civilization. 2nd. ed. Bombay: Oxford University Press, 1969.

MLA-referens

Pearce, F. G. Outline History of Civilization. 2nd. ed. Oxford University Press, 1969.