APA (7th ed.) Citation

Flude, K., & Herbert, P. (1990). The citisights guide to London: Ten walks through London's past (1. publ.). Virgin.

Chicago Style (17th ed.) Citation

Flude, Kevin, and Paul Herbert. The Citisights Guide to London: Ten Walks Through London's Past. 1. publ. London: Virgin, 1990.

MLA (9th ed.) Citation

Flude, Kevin, and Paul Herbert. The Citisights Guide to London: Ten Walks Through London's Past. 1. publ. Virgin, 1990.