United States. Department of Agriculture. Office of the Secretary & Brooks, F. E. (1918). Orchard barkbeetles and pinhole borers, and how to control them. U.S. GPO.
Chicago Style (17th ed.) CitationUnited States. Department of Agriculture. Office of the Secretary and Fred E. Brooks. Orchard Barkbeetles and Pinhole Borers, and How to Control Them. Washington: U.S. GPO, 1918.
MLA (8th ed.) CitationUnited States. Department of Agriculture. Office of the Secretary and Fred E. Brooks. Orchard Barkbeetles and Pinhole Borers, and How to Control Them. U.S. GPO, 1918.
Warning: These citations may not always be 100% accurate.