Cita APA (7th ed.)

Hirschfeld, C. (1968). The modern world (Enlarged ed.). Harcourt Brace Jovanovich.

Cita Chicago (17th ed.)

Hirschfeld, Charles. The Modern World. Enlarged ed. New York: Harcourt Brace Jovanovich, 1968.

Cita MLA (8th ed.)

Hirschfeld, Charles. The Modern World. Enlarged ed. Harcourt Brace Jovanovich, 1968.