Cita APA

Stirling, I. (1977). The ecology of the polar bear (Ursus maritimus) along the wester coast of Hudson Bay. Ottawa: Minister of Supply and Services.

Citación estilo Chicago

Stirling, Ian. The Ecology of the Polar Bear (Ursus Maritimus) Along the Wester Coast of Hudson Bay. Ottawa: Minister of Supply and Services, 1977.

Cita MLA

Stirling, Ian. The Ecology of the Polar Bear (Ursus Maritimus) Along the Wester Coast of Hudson Bay. Ottawa: Minister of Supply and Services, 1977.