Cita APA (7a ed.)

(1977). The ecology of the polar bear (ursus maritimus) along the western coast of Hudson Bay. Canadian widlife service.

Cita Chicago Style (17a ed.)

The Ecology of the Polar Bear (ursus Maritimus) Along the Western Coast of Hudson Bay. Ottawa: Canadian widlife service, 1977.

Cita MLA (9a ed.)

The Ecology of the Polar Bear (ursus Maritimus) Along the Western Coast of Hudson Bay. Canadian widlife service, 1977.