Cita APA (7a ed.)

Wetzel, J., & Amtsfeld, P. (1997). Seydlitz-Geographie (Dr. A, 3.). Schroedel.

Cita Chicago Style (17a ed.)

Wetzel, Jürgen, y Peter Amtsfeld. Seydlitz-Geographie. Dr. A, 3. Hannover: Schroedel, 1997.

Cita MLA (9a ed.)

Wetzel, Jürgen, y Peter Amtsfeld. Seydlitz-Geographie. Dr. A, 3. Schroedel, 1997.