APA (7th ed.) Citation

United States National Museum. (1942). Revision of the Genus Phloeosinus Chapuis in North America (Coleoptera, Scolytidae). [s.n.].

Chicago Style (17th ed.) Citation

United States National Museum. Revision of the Genus Phloeosinus Chapuis in North America (Coleoptera, Scolytidae). [Washington]: [s.n.], 1942.

MLA (9th ed.) Citation

United States National Museum. Revision of the Genus Phloeosinus Chapuis in North America (Coleoptera, Scolytidae). [s.n.], 1942.

Warning: These citations may not always be 100% accurate.