Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.

APA Citation Edition Citation

Langdon, J. (1995). Double-shafted vehicles and other elements in the "revolution" of land transport in medieval Europe. DIRE.

Chicago Citation Edition Citation

Langdon, John. Double-shafted Vehicles and Other Elements in the "Revolution" of Land Transport in Medieval Europe. Treignes: DIRE, 1995.

MLA Citation Edition Citation

Langdon, John. Double-shafted Vehicles and Other Elements in the "Revolution" of Land Transport in Medieval Europe. DIRE, 1995.