APA (7th ed.) Citation

G.W. Bacon & Co. (1900). Bacon's gem-map of London and suburbs. G.W. Bacon.

Chicago Style (17th ed.) Citation

G.W. Bacon & Co. Bacon's Gem-map of London and Suburbs. London: G.W. Bacon, 1900.

MLA (9th ed.) Citation

G.W. Bacon & Co. Bacon's Gem-map of London and Suburbs. G.W. Bacon, 1900.