Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (8a ed.)

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