APA (7th ed.) Citation

De Voto, B. (1960). The course of empire (Sentry ed.). Houghton Mifflin.

Chicago Style (17th ed.) Citation

De Voto, Bernard. The Course of Empire. Sentry ed. Boston: Houghton Mifflin, 1960.

MLA (9th ed.) Citation

De Voto, Bernard. The Course of Empire. Sentry ed. Houghton Mifflin, 1960.