APA (7th ed.) Citation

George Philip & Son. (1895). Philips' reduced ordnance map of London (New and corrected ed.). George Philip & Son.

Chicago Style (17th ed.) Citation

George Philip & Son. Philips' Reduced Ordnance Map of London. New and corrected ed. London: George Philip & Son, 1895.

MLA (9th ed.) Citation

George Philip & Son. Philips' Reduced Ordnance Map of London. New and corrected ed. George Philip & Son, 1895.