Cita APA (7a ed.)

De Voto, B. A. (1952). The course of empire. Houghton Mifflin.

Cita Chicago Style (17a ed.)

De Voto, Bernard Augustine. The Course of Empire. Boston: Houghton Mifflin, 1952.

Cita MLA (9a ed.)

De Voto, Bernard Augustine. The Course of Empire. Houghton Mifflin, 1952.