APA (7th ed.) Citation

Webb, S., & Colson, I. (2001). Western Australia (3rd ed.). Lonely Planet.

Chicago Style (17th ed.) Citation

Webb, Sally, and Ilsa Colson. Western Australia. 3rd ed. Footscray, Vic: Lonely Planet, 2001.

MLA (9th ed.) Citation

Webb, Sally, and Ilsa Colson. Western Australia. 3rd ed. Lonely Planet, 2001.