APA (7th ed.) Citation

Snelling, R. R. (1974). Notes on the distribution and taxonomy of some North American centris: Hymenoptera: Anthophoridae. Natural History Museum of Los Angeles County.

Chicago Style (17th ed.) Citation

Snelling, Roy R. Notes on the Distribution and Taxonomy of Some North American Centris: Hymenoptera: Anthophoridae. Los Angeles, Calif: Natural History Museum of Los Angeles County, 1974.

MLA (9th ed.) Citation

Snelling, Roy R. Notes on the Distribution and Taxonomy of Some North American Centris: Hymenoptera: Anthophoridae. Natural History Museum of Los Angeles County, 1974.