APA-viite (7. p.)
MacLaren, J. (1958). The Biology of the ringed seal (Phoca hispida Schreber) in the Eastern Canadian Arctic.
Chicago-viite (17. p.)
MacLaren, J.A. The Biology of the Ringed Seal (Phoca Hispida Schreber) in the Eastern Canadian Arctic. Ottawa, 1958.
MLA-viite (9. p.)
MacLaren, J.A. The Biology of the Ringed Seal (Phoca Hispida Schreber) in the Eastern Canadian Arctic. 1958.
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