APA (7th ed.) Citation

MapArt (Firm). (2004). London & environs (2004 ed.). Peter Heiler Ltd..

Chicago Style (17th ed.) Citation

MapArt (Firm). London & Environs. 2004 ed. [Toronto?]: Peter Heiler Ltd., 2004.

MLA (9th ed.) Citation

MapArt (Firm). London & Environs. 2004 ed. Peter Heiler Ltd., 2004.

Warning: These citations may not always be 100% accurate.