APA (7th ed.) Citation

Humphreys, R., & Colin Hutchison. (2006). The rough guide to Scotland. Rough guides.

Chicago Style (17th ed.) Citation

Humphreys, Rob, and Colin Hutchison. The Rough Guide to Scotland. London: Rough guides, 2006.

MLA (9th ed.) Citation

Humphreys, Rob, and Colin Hutchison. The Rough Guide to Scotland. Rough guides, 2006.

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