Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.
APA Zitierstil(1964). Ordnance survey. Map of Hadrian's Wall. Scale 1: 31,680 or 2 inches to 1 mile. Chessington.
Chicago ZitierstilOrdnance Survey. Map of Hadrian's Wall. Scale 1: 31,680 or 2 Inches to 1 Mile. Chessington, 1964.
MLA ZitierstilOrdnance Survey. Map of Hadrian's Wall. Scale 1: 31,680 or 2 Inches to 1 Mile. Chessington, 1964.