APA (7th ed.) Citation

Scheffer, T. H., & Sperry, C. C. (1931). Food Habits of the Pacific Harbor Seal, Phoca Richardii. Journal of Mammalogy, 12(3), 214.

Chicago Style (17th ed.) Citation

Scheffer, Theo. H., and Charles C. Sperry. "Food Habits of the Pacific Harbor Seal, Phoca Richardii." Journal of Mammalogy 12, no. 3 (1931): 214.

MLA (9th ed.) Citation

Scheffer, Theo. H., and Charles C. Sperry. "Food Habits of the Pacific Harbor Seal, Phoca Richardii." Journal of Mammalogy, vol. 12, no. 3, 1931, p. 214.