Cita APA (7a ed.)

Klohn, W., & Voth, A. (2017). Agrargeographie. Westermann.

Cita Chicago Style (17a ed.)

Klohn, Werner, y Andreas Voth. Agrargeographie. Braunschweig: Westermann, 2017.

Cita MLA (9a ed.)

Klohn, Werner, y Andreas Voth. Agrargeographie. Westermann, 2017.