APA Citation

World Congress on National Parks and Protected Areas, I. t. (1992). World Heritage Twenty Years Later. Caracas: IUCN.

Chicago Style Citation

World Congress on National Parks and Protected Areas, IV th. World Heritage Twenty Years Later. Caracas: IUCN, 1992.

MLA Citation

World Congress on National Parks and Protected Areas, IV th. World Heritage Twenty Years Later. Caracas: IUCN, 1992.

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