APA (7th ed.) Citation

Boulva, J., & McLaren, I. A. (1979). Biology of the harbor seal, Phoca vitulina, in eastern Canada. Dept. of Fisheries and Oceans.

Chicago Style (17th ed.) Citation

Boulva, J., and I. A. McLaren. Biology of the Harbor Seal, Phoca Vitulina, in Eastern Canada. Ottawa: Dept. of Fisheries and Oceans, 1979.

MLA (9th ed.) Citation

Boulva, J., and I. A. McLaren. Biology of the Harbor Seal, Phoca Vitulina, in Eastern Canada. Dept. of Fisheries and Oceans, 1979.