APA (7th ed.) Citation

Map of ancient Britain: A map of the major visible antiquities of Great Britain older than A.D. 1066 (2. ed.). Ordnance Survey.

Chicago Style (17th ed.) Citation

Map of Ancient Britain: A Map of the Major Visible Antiquities of Great Britain Older than A.D. 1066. 2. ed. Chessington: Ordnance Survey.

MLA (9th ed.) Citation

Map of Ancient Britain: A Map of the Major Visible Antiquities of Great Britain Older than A.D. 1066. 2. ed. Ordnance Survey.