Cockerell, T. D. A. Tables for The Separation of Some Bees of The Genera Coelioxys and Colletes. Wiley.
Chicago Style (17th ed.) CitationCockerell, T. D. A. Tables for The Separation of Some Bees of The Genera Coelioxys and Colletes. Wiley.
MLA (9th ed.) CitationCockerell, T. D. A. Tables for The Separation of Some Bees of The Genera Coelioxys and Colletes. Wiley.
Warning: These citations may not always be 100% accurate.