Cita APA (7th ed.)

WATT, D. C. (1969). Contemporary history in Europe. George Allen and Unwin.

Cita Chicago (17th ed.)

WATT, Donald Cameron. Contemporary History in Europe. London: George Allen and Unwin, 1969.

Cita MLA (9th ed.)

WATT, Donald Cameron. Contemporary History in Europe. George Allen and Unwin, 1969.