Cita APA (7a ed.)

Paxton, R. O. (2005). Europe in the twentieth century (2005 update, 4th ed.). Thomson/Wadsworth.

Cita Chicago Style (17a ed.)

Paxton, Robert O. Europe in the Twentieth Century. 2005 update, 4th ed. Belmont, CA: Thomson/Wadsworth, 2005.

Cita MLA (8a ed.)

Paxton, Robert O. Europe in the Twentieth Century. 2005 update, 4th ed. Thomson/Wadsworth, 2005.