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

APA Citation Edition Citation

(1964). Ordnance survey. Map of Hadrian's Wall. Scale 1: 31,680 or 2 inches to 1 mile.

Chicago Citation Edition Citation

Ordnance Survey. Map of Hadrian's Wall. Scale 1: 31,680 or 2 Inches to 1 Mile. Chessington, 1964.

MLA Citation Edition Citation

Ordnance Survey. Map of Hadrian's Wall. Scale 1: 31,680 or 2 Inches to 1 Mile. 1964.