Cita APA (7a ed.)

Wittenberger, G., & Tögel, C. (2001). 1921. Ed. diskord.

Cita Chicago Style (17a ed.)

Wittenberger, Gerhard, y Christfried Tögel. 1921. Tübingen: Ed. diskord, 2001.

Cita MLA (8a ed.)

Wittenberger, Gerhard, y Christfried Tögel. 1921. Ed. diskord, 2001.