Cita APA (7a ed.)

Schultze, J., & Kuppers, L. (1966). Mark. A. Bongers; distributed by Taplinger Pub. Co. [New York.

Cita Chicago Style (17a ed.)

Schultze, Jurgen, y Leonhard Kuppers. Mark. Recklinghausen [Ger.]: A. Bongers; distributed by Taplinger Pub. Co. [New York, 1966.

Cita MLA (8a ed.)

Schultze, Jurgen, y Leonhard Kuppers. Mark. A. Bongers; distributed by Taplinger Pub. Co. [New York, 1966.