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

APA Citation Edition Citation

Christophersen, A. (1991). Ports and trade in Norway during the transition to historical time. The Viking Ship Museum, Roskilde.

Chicago Citation Edition Citation

Christophersen, Axel. Ports and Trade in Norway During the Transition to Historical Time. Roskilde: The Viking Ship Museum, Roskilde, 1991.

MLA Citation Edition Citation

Christophersen, Axel. Ports and Trade in Norway During the Transition to Historical Time. The Viking Ship Museum, Roskilde, 1991.