APA (7th ed.) Citation

United Nations Environment Programme Industry and Environment. (1998). Ecolabels in the tourism industry. UNEP.

Chicago Style (17th ed.) Citation

United Nations Environment Programme Industry and Environment. Ecolabels in the Tourism Industry. Paris, France: UNEP, 1998.

MLA (9th ed.) Citation

United Nations Environment Programme Industry and Environment. Ecolabels in the Tourism Industry. UNEP, 1998.

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