APA (7th ed.) Citation

World Conference on National Parks Washington, US, & International Union for Conservation of Nature and Natural Resources. IUCN. (1962). First world conference on national parks. U.S.D.I..

Chicago Style (17th ed.) Citation

World Conference on National Parks Washington, US, and International Union for Conservation of Nature and Natural Resources. IUCN. First World Conference on National Parks. Washington: U.S.D.I., 1962.

MLA (9th ed.) Citation

World Conference on National Parks Washington, US, and International Union for Conservation of Nature and Natural Resources. IUCN. First World Conference on National Parks. U.S.D.I., 1962.

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