United States. Bureau of Entomology & Hopkins, A. D. (1916). Brief information on prevention of insects injurious to crude forest products. [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Bureau of Entomology and A. D. Hopkins. Brief Information on Prevention of Insects Injurious to Crude Forest Products. Washington: [publisher not identified], 1916.
MLA (9th ed.) CitationUnited States. Bureau of Entomology and A. D. Hopkins. Brief Information on Prevention of Insects Injurious to Crude Forest Products. [publisher not identified], 1916.
Warning: These citations may not always be 100% accurate.