Citazione Stile APA (7a Edizione)

Webb, R. L. (1988). On the Northwest: Commercial whaling in the Pacific Northwest, 1790-1967. University of British Columbia Press.

Citazione stile Chigago Style (17a edizione)

Webb, Robert Lloyd. On the Northwest: Commercial Whaling in the Pacific Northwest, 1790-1967. Vancouver: University of British Columbia Press, 1988.

Citatione MLA (9a ed.)

Webb, Robert Lloyd. On the Northwest: Commercial Whaling in the Pacific Northwest, 1790-1967. University of British Columbia Press, 1988.