APA (7th ed.) Citation

Smithsonian Institution. (1933). Review of wasps of subfamily Pseninae of North America (Hymenoptern, Aculeata). [s.n.].

Chicago Style (17th ed.) Citation

Smithsonian Institution. Review of Wasps of Subfamily Pseninae of North America (Hymenoptern, Aculeata). [Washington]: [s.n.], 1933.

MLA (9th ed.) Citation

Smithsonian Institution. Review of Wasps of Subfamily Pseninae of North America (Hymenoptern, Aculeata). [s.n.], 1933.

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