APA (7th ed.) Citation

Paxton, R. O. (1975). Europe in the twentieth century. Harcourt Brace Jovanovich, Inc.

Chicago Style (17th ed.) Citation

Paxton, Robert O. Europe in the Twentieth Century. New York: Harcourt Brace Jovanovich, Inc, 1975.

MLA (9th ed.) Citation

Paxton, Robert O. Europe in the Twentieth Century. Harcourt Brace Jovanovich, Inc, 1975.