APA (7th ed.) Citation

Riker, T. W. (1935). A short history of modern Europe. The Macmillan company.

Chicago Style (17th ed.) Citation

Riker, T. W. A Short History of Modern Europe. New York: The Macmillan company, 1935.

MLA (9th ed.) Citation

Riker, T. W. A Short History of Modern Europe. The Macmillan company, 1935.