APA (7th ed.) Citation

Humphreys, R. (2001). The Rough guide to London.- Fourth ed (Fourth Edition.). The Rough Guides.

Chicago Style (17th ed.) Citation

Humphreys, Rob. The Rough Guide to London.- Fourth Ed. Fourth Edition. London: The Rough Guides, 2001.

MLA (8th ed.) Citation

Humphreys, Rob. The Rough Guide to London.- Fourth Ed. Fourth Edition. The Rough Guides, 2001.

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