United States. Bureau of Entomology. (1916). Brief information on pine bark louse or red twig gall-louse and methods of control. [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Bureau of Entomology. Brief Information on Pine Bark Louse or Red Twig Gall-louse and Methods of Control. [Washington]: [publisher not identified], 1916.
MLA (9th ed.) CitationUnited States. Bureau of Entomology. Brief Information on Pine Bark Louse or Red Twig Gall-louse and Methods of Control. [publisher not identified], 1916.
Warning: These citations may not always be 100% accurate.