Gaya APA

Wolff., C, B, ;, J, B, C, ;, R, L. (1976). History of civilization 1715 to the present (ed. 5). New Jersey: Prentice Hall.

Gaya MLA

Wolff., Crane, Brinton, ;, John, B., Christoper, ;, Robert, Lee. "History of civilization 1715 to the present". ed. 5 New Jersey: Prentice Hall, 1976. Text.