APA (7th ed.) Citation

WTO-ETAG Joint Seminar on Tourism and Environmental Protection, Organización Mundial del Turismo, & European Tourism Action Group. (1996). WTO-ETAG Joint Seminar: Tourism and environmental protection, Heidelberg, Germany, 16-18 May 1996. World Tourism Organization.

Chicago Style (17th ed.) Citation

WTO-ETAG Joint Seminar on Tourism and Environmental Protection, Organización Mundial del Turismo, and European Tourism Action Group. WTO-ETAG Joint Seminar: Tourism and Environmental Protection, Heidelberg, Germany, 16-18 May 1996. Madrid: World Tourism Organization, 1996.

MLA (9th ed.) Citation

WTO-ETAG Joint Seminar on Tourism and Environmental Protection, et al. WTO-ETAG Joint Seminar: Tourism and Environmental Protection, Heidelberg, Germany, 16-18 May 1996. World Tourism Organization, 1996.