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

APA Citation Edition Citation

Hill, D. (1991). Offa's and Wat's Dykes. Clwyd County Council.

Chicago Citation Edition Citation

Hill, David. Offa's and Wat's Dykes. Clwyd: Clwyd County Council, 1991.

MLA Citation Edition Citation

Hill, David. Offa's and Wat's Dykes. Clwyd County Council, 1991.