Donovan, B. J. (1977). A revision of North American bees of the subgenus Cnemidandrena (Hymenoptera, Andrenidae). University of California.
Chicago Style (17th ed.) CitationDonovan, Barry J. A Revision of North American Bees of the Subgenus Cnemidandrena (Hymenoptera, Andrenidae). Berkeley: University of California, 1977.
MLA (9th ed.) CitationDonovan, Barry J. A Revision of North American Bees of the Subgenus Cnemidandrena (Hymenoptera, Andrenidae). University of California, 1977.
Warning: These citations may not always be 100% accurate.