APA (7th ed.) Citation

Derry, K., Emma Lozman, & Sarah Hull. (2006). The rough guide to New England. Rough guides.

Chicago Style (17th ed.) Citation

Derry, Ken, Emma Lozman, and Sarah Hull. The Rough Guide to New England. London: Rough guides, 2006.

MLA (9th ed.) Citation

Derry, Ken, et al. The Rough Guide to New England. Rough guides, 2006.