Cita APA (7th ed.)

Klockgether, K., Garming, H., & Dirksmeyer, W. (2016). Thünen working paper. Johann Heinrich von Thünen-Institut.

Cita Chicago (17th ed.)

Klockgether, Kathrin, Hildegard Garming, i Walter Dirksmeyer. Thünen Working Paper. Braunschweig: Johann Heinrich von Thünen-Institut, 2016.

Cita MLA (8th ed.)

Klockgether, Kathrin, et al. Thünen Working Paper. Johann Heinrich von Thünen-Institut, 2016.