APA (7th ed.) Citation

Palmer, B., Emmons, R., & Martin, S. (2005). The rough guide to Cambodia. Rough guides.

Chicago Style (17th ed.) Citation

Palmer, Beverley, Ron Emmons, and Steven Martin. The Rough Guide to Cambodia. New York: Rough guides, 2005.

MLA (9th ed.) Citation

Palmer, Beverley, et al. The Rough Guide to Cambodia. Rough guides, 2005.