APA (7th ed.) Citation

Smithsonian Institution. (1923). Type species of genera of Chalcidoidea or chalcid-flies. GPO.

Chicago Style (17th ed.) Citation

Smithsonian Institution. Type Species of Genera of Chalcidoidea or Chalcid-flies. [Washington]: GPO, 1923.

MLA (9th ed.) Citation

Smithsonian Institution. Type Species of Genera of Chalcidoidea or Chalcid-flies. GPO, 1923.

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