Cita APA (7th ed.)
Pike, G. C., & MacAskie, I. B. (1969). Marine Mammals of British Columbia: By G.C. Pike and I.B. MacAskie. Fisheries Research Board of Canada.
Cita Chicago (17th ed.)
Pike, Gordon Chesley, i I. B. MacAskie. Marine Mammals of British Columbia: By G.C. Pike and I.B. MacAskie. Ottawa: Fisheries Research Board of Canada, 1969.
Cita MLA (9th ed.)
Pike, Gordon Chesley, i I. B. MacAskie. Marine Mammals of British Columbia: By G.C. Pike and I.B. MacAskie. Fisheries Research Board of Canada, 1969.
Atenció: Aquestes cites poden no estar 100% correctes.