Cita APA (7a ed.)

Barber, M. J. (1969). Europe in a changing world: Some aspects of twentieth-century history. Macmillan.

Cita Chicago Style (17a ed.)

Barber, Madeleine Jean. Europe in a Changing World: Some Aspects of Twentieth-century History. London: Macmillan, 1969.

Cita MLA (9a ed.)

Barber, Madeleine Jean. Europe in a Changing World: Some Aspects of Twentieth-century History. Macmillan, 1969.