APA (7th ed.) Citation

Hazen, C. D. (1919). Modern European history (Rev. ed.). G. Bell.

Chicago Style (17th ed.) Citation

Hazen, Charles Downer. Modern European History. Rev. ed. London: G. Bell, 1919.

MLA (8th ed.) Citation

Hazen, Charles Downer. Modern European History. Rev. ed. G. Bell, 1919.