APA (7th ed.) Citation

(1940). New genera and species of ichneumon-flies, with taxonomic notes. [s.n.].

Chicago Style (17th ed.) Citation

New Genera and Species of Ichneumon-flies, with Taxonomic Notes. [Washington]: [s.n.], 1940.

MLA (9th ed.) Citation

New Genera and Species of Ichneumon-flies, with Taxonomic Notes. [s.n.], 1940.

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