Cita APA (7a ed.)

Zimmerling, D., & Blase, D. (1992). Thüringen / Dieter Zimmerling ; Dieter Blase. Westermann.

Cita Chicago Style (17a ed.)

Zimmerling, Dieter, y Dieter Blase. Thüringen / Dieter Zimmerling ; Dieter Blase. Braunschweig: Westermann, 1992.

Cita MLA (8a ed.)

Zimmerling, Dieter, y Dieter Blase. Thüringen / Dieter Zimmerling ; Dieter Blase. Westermann, 1992.