Cita APA

Michener, C. D. (1994). The bee genera: Of North and Central America (Himenoptera : apoidea). Washington, D.C.: Smithsonian Institution Press.

Citación estilo Chicago

Michener, Charles D. The Bee Genera: Of North and Central America (Himenoptera : Apoidea). Washington, D.C.: Smithsonian Institution Press, 1994.

Cita MLA

Michener, Charles D. The Bee Genera: Of North and Central America (Himenoptera : Apoidea). Washington, D.C.: Smithsonian Institution Press, 1994.