APA Citation

IUCN. (1973). Polars bears. [S.l.]: [s.n.].

Chicago Style Citation

IUCN. Polars Bears. [S.l.]: [s.n.], 1973.

MLA Citation

IUCN. Polars Bears. [S.l.]: [s.n.], 1973.

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