Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.
APA Citation Edition Citation(1956). Map of Roman Britain: Scale: 16 miles to 1 inch (3rd edition.). Ordnance Survey.
Chicago Citation Edition CitationMap of Roman Britain: Scale: 16 Miles to 1 Inch. 3rd edition. Chessington, Surrey: Ordnance Survey, 1956.
MLA Citation Edition CitationMap of Roman Britain: Scale: 16 Miles to 1 Inch. 3rd edition. Ordnance Survey, 1956.