Citazione Stile APA (7a Edizione)

KETELBEY, C. (1964). A history of modern times; from 1789 (4th ed.). Harrap; Bombay, 0.U.P..

Citazione stile Chigago Style (17a edizione)

KETELBEY, C.D.M. A History of Modern Times; from 1789. 4th ed. London: Harrap; Bombay, 0.U.P., 1964.

Citatione MLA (9a ed.)

KETELBEY, C.D.M. A History of Modern Times; from 1789. 4th ed. Harrap; Bombay, 0.U.P., 1964.