Cross, D., Jonkel, C., Robertson, R., Smith, P., & Stirling, I. The ecology of the polar bear (Ursus maritimus) along the western coast of the Hudson Bay.
Citação norma ChicagoCross, Dale, Charles Jonkel, Richard Robertson, Pauline Smith, and Ian Stirling. The Ecology of the Polar Bear (Ursus Maritimus) Along the Western Coast of the Hudson Bay.
Citação norma MLACross, Dale, et al. The Ecology of the Polar Bear (Ursus Maritimus) Along the Western Coast of the Hudson Bay.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.