Cita APA (7a ed.)

Opp, A. (2007). Pawns on the World Stage. Eigenverlag des Verfassers.

Cita Chicago Style (17a ed.)

Opp, Alfred. Pawns on the World Stage. Redondo Beach, California: Eigenverlag des Verfassers, 2007.

Cita MLA (8a ed.)

Opp, Alfred. Pawns on the World Stage. Eigenverlag des Verfassers, 2007.