APA (7th ed.) Citation

International Union for Conservation of Nature and Natural Resources & IUCN Commission on National Parks and Protected Areas. (1990). Parks. Science and Technology Letters, in association with IUCN's Commission on National Parks and Protected Areas.

Chicago Style (17th ed.) Citation

International Union for Conservation of Nature and Natural Resources and IUCN Commission on National Parks and Protected Areas. Parks. Northwood, UK: Science and Technology Letters, in association with IUCN's Commission on National Parks and Protected Areas, 1990.

MLA (9th ed.) Citation

International Union for Conservation of Nature and Natural Resources and IUCN Commission on National Parks and Protected Areas. Parks. Science and Technology Letters, in association with IUCN's Commission on National Parks and Protected Areas, 1990.