Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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