APA (7th ed.) Citation

Burks, B. D. (1969). Species of Spalangia Latreille in the United States National Museum Collection, Hymenoptera Pteromalidae. Smithsonian Institution.

Chicago Style (17th ed.) Citation

Burks, B. D. Species of Spalangia Latreille in the United States National Museum Collection, Hymenoptera Pteromalidae. Washington, D.C: Smithsonian Institution, 1969.

MLA (9th ed.) Citation

Burks, B. D. Species of Spalangia Latreille in the United States National Museum Collection, Hymenoptera Pteromalidae. Smithsonian Institution, 1969.