APA (7th ed.) Citation

Andrew, R., Jules Brown, & Rob Humphreys. (2006). The rough guide to Britain. Rough guides.

Chicago Style (17th ed.) Citation

Andrew, Robert, Jules Brown, and Rob Humphreys. The Rough Guide to Britain. London: Rough guides, 2006.

MLA (9th ed.) Citation

Andrew, Robert, et al. The Rough Guide to Britain. Rough guides, 2006.