United States. Division of Wildlife Research & United States. Bureau of Biological Survey. (1935). Directions for preservation and care of material collected for food habits studies. United States Department of Agriculture, Bureau of Biological Survey.
Chicago Style (17th ed.) CitationUnited States. Division of Wildlife Research and United States. Bureau of Biological Survey. Directions for Preservation and Care of Material Collected for Food Habits Studies. Washington, D.C.: United States Department of Agriculture, Bureau of Biological Survey, 1935.
MLA (8th ed.) CitationUnited States. Division of Wildlife Research and United States. Bureau of Biological Survey. Directions for Preservation and Care of Material Collected for Food Habits Studies. United States Department of Agriculture, Bureau of Biological Survey, 1935.