APA (7th ed.) Citation

Hole, A., & Beech, C. (2005). Portugal. Lonely Planet Publications.

Chicago Style (17th ed.) Citation

Hole, Abigail, and Charlotte Beech. Portugal. Australia: Lonely Planet Publications, 2005.

MLA (9th ed.) Citation

Hole, Abigail, and Charlotte Beech. Portugal. Lonely Planet Publications, 2005.

Warning: These citations may not always be 100% accurate.