APA Citation

(1990). 1990 IUCN red list of threatened animals. Gland: IUCN.

Chicago Style Citation

1990 IUCN Red List of Threatened Animals. Gland: IUCN, 1990.

MLA Citation

1990 IUCN Red List of Threatened Animals. Gland: IUCN, 1990.

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