APA (7th ed.) Citation

International Union for Conservation of Nature and Natural Resources & International Union for Conservation of Nature and Natural Resources. Species Survival Commission. (2001). IUCN red list categories and criteria (Version 3.1.). IUCN--The World Conservation Union.

Chicago Style (17th ed.) Citation

International Union for Conservation of Nature and Natural Resources and International Union for Conservation of Nature and Natural Resources. Species Survival Commission. IUCN Red List Categories and Criteria. Version 3.1. Gland, Switzerland: IUCN--The World Conservation Union, 2001.

MLA (8th ed.) Citation

International Union for Conservation of Nature and Natural Resources and International Union for Conservation of Nature and Natural Resources. Species Survival Commission. IUCN Red List Categories and Criteria. Version 3.1. IUCN--The World Conservation Union, 2001.