APA (7th ed.) Citation

Simonis, D., Andrews, S., & Ham, A. (2005). Spain. Lonely Planet Publications.

Chicago Style (17th ed.) Citation

Simonis, Damien, Sarah Andrews, and Anthony Ham. Spain. Australia: Lonely Planet Publications, 2005.

MLA (9th ed.) Citation

Simonis, Damien, et al. Spain. Lonely Planet Publications, 2005.