APA (7th ed.) Citation

Hazen, C. D. (1919). Modern European history (3d ed., rev.). Holt.

Chicago Style (17th ed.) Citation

Hazen, Charles Downer. Modern European History. 3d ed., rev. New York: Holt, 1919.

MLA (9th ed.) Citation

Hazen, Charles Downer. Modern European History. 3d ed., rev. Holt, 1919.