Scheffer, V. B., Karrick, N. L., & Sanford, F. B. (1950). Vitamin A in selected, pale-colored livers of Alaska fur seals, 1948. U.S. Fish ad Wildlife Service.
Chicago Style (17th ed.) CitationScheffer, Victor B., Neva L. Karrick, and Francis Bruce Sanford. Vitamin A in Selected, Pale-colored Livers of Alaska Fur Seals, 1948. Washington: U.S. Fish ad Wildlife Service, 1950.
MLA (9th ed.) CitationScheffer, Victor B., et al. Vitamin A in Selected, Pale-colored Livers of Alaska Fur Seals, 1948. U.S. Fish ad Wildlife Service, 1950.
Warning: These citations may not always be 100% accurate.