Cita APA (7a ed.)

Jahn, G., & Bricks, W. (1997). Seydlitz Erdkunde: Gymnasium (Dr. A, 5.). Schroedel.

Cita Chicago Style (17a ed.)

Jahn, Gert, y Wolfgang Bricks. Seydlitz Erdkunde: Gymnasium. Dr. A, 5. Hannover: Schroedel, 1997.

Cita MLA (9a ed.)

Jahn, Gert, y Wolfgang Bricks. Seydlitz Erdkunde: Gymnasium. Dr. A, 5. Schroedel, 1997.