Cita APA (7a ed.)

Opp, A. (2009). Our Roots Grew Deep in the Russen Soil. Eigenverlag des Verfassers.

Cita Chicago Style (17a ed.)

Opp, Alfred. Our Roots Grew Deep in the Russen Soil. Redondo Beach, California: Eigenverlag des Verfassers, 2009.

Cita MLA (8a ed.)

Opp, Alfred. Our Roots Grew Deep in the Russen Soil. Eigenverlag des Verfassers, 2009.