APA (7th ed.) Citation

Protected areas of the world: A review of national systems ; [IVth World Congress on National Parks and Protected Areas, Caracas, Venezuela]. IUCN.

Chicago Style (17th ed.) Citation

Protected Areas of the World: A Review of National Systems ; [IVth World Congress on National Parks and Protected Areas, Caracas, Venezuela]. Gland [u.a.]: IUCN.

MLA (9th ed.) Citation

Protected Areas of the World: A Review of National Systems ; [IVth World Congress on National Parks and Protected Areas, Caracas, Venezuela]. IUCN.

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