APA (7th ed.) Citation

Barber, P., Worms, L., Cline, R., & Saunders, A. (2012). London: A history in maps. The London Topographical Society : The British Library.

Chicago Style (17th ed.) Citation

Barber, Peter, Laurence Worms, Roger Cline, and Ann Saunders. London: A History in Maps. London: The London Topographical Society : The British Library, 2012.

MLA (9th ed.) Citation

Barber, Peter, et al. London: A History in Maps. The London Topographical Society : The British Library, 2012.