APA (7th ed.) Citation

Hazen, C. D. (1931). Modern Europe (2nd ed.). H. Holt and Co.

Chicago Style (17th ed.) Citation

Hazen, Charles Downer. Modern Europe. 2nd ed. New York: H. Holt and Co, 1931.

MLA (9th ed.) Citation

Hazen, Charles Downer. Modern Europe. 2nd ed. H. Holt and Co, 1931.