APA (7th ed.) Citation

Snyder, J. (2007). Tourism in the Polar regions: The sustainability challenge. UNEP DTIE.

Chicago Style (17th ed.) Citation

Snyder, J. Tourism in the Polar Regions: The Sustainability Challenge. Paris, France: UNEP DTIE, 2007.

MLA (9th ed.) Citation

Snyder, J. Tourism in the Polar Regions: The Sustainability Challenge. UNEP DTIE, 2007.

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