APA (7th ed.) Citation

Ray, C. E., & Spiess, A. E. (1981). The Bearded Seal, Erignathus barbatus, in the Pleistocene of Maine. Journal of Mammalogy, 62(2), 423.

Chicago Style (17th ed.) Citation

Ray, C. E., and A. E. Spiess. "The Bearded Seal, Erignathus Barbatus, in the Pleistocene of Maine." Journal of Mammalogy 62, no. 2 (1981): 423.

MLA (9th ed.) Citation

Ray, C. E., and A. E. Spiess. "The Bearded Seal, Erignathus Barbatus, in the Pleistocene of Maine." Journal of Mammalogy, vol. 62, no. 2, 1981, p. 423.