APA (7th ed.) Citation

Hole, A., King, J., & O'Carroll, E. (2004). Wales. Lonely Planet Publications.

Chicago Style (17th ed.) Citation

Hole, Abigail, John King, and Etain O'Carroll. Wales. Australia: Lonely Planet Publications, 2004.

MLA (9th ed.) Citation

Hole, Abigail, et al. Wales. Lonely Planet Publications, 2004.