Cita APA (7th ed.)

Opp, A. (2008). How the East Was Won. Eigenverlag des Verfassers.

Cita Chicago (17th ed.)

Opp, Alfred. How the East Was Won. Richmond, British Columbia, Canada: Eigenverlag des Verfassers, 2008.

Cita MLA (8th ed.)

Opp, Alfred. How the East Was Won. Eigenverlag des Verfassers, 2008.