Cita APA (7th ed.)

McDonough, F. (1997). The origins of the First and Second world wars. Cambridge Univ..

Cita Chicago (17th ed.)

McDonough, Frank. The Origins of the First and Second World Wars. Cambridge: Cambridge Univ., 1997.

Cita MLA (9th ed.)

McDonough, Frank. The Origins of the First and Second World Wars. Cambridge Univ., 1997.