Citazione Stile APA (7a Edizione)

Krombein, K. V. (1970). Behavioral and life- history notes on three floridian solitary wasps, Hymenoptera: Sphecidae. Smithsonian Institution.

Citazione stile Chigago Style (17a edizione)

Krombein, Karl V. Behavioral and Life- History Notes on Three Floridian Solitary Wasps, Hymenoptera: Sphecidae. Washington, D.C: Smithsonian Institution, 1970.

Citatione MLA (9a ed.)

Krombein, Karl V. Behavioral and Life- History Notes on Three Floridian Solitary Wasps, Hymenoptera: Sphecidae. Smithsonian Institution, 1970.