APA (7th ed.) Citation

Zavortink, T. J. (1974). A revision of the genus Ancylandrena (Hymenoptera: Andrenidae). California Academy of Sciences.

Chicago Style (17th ed.) Citation

Zavortink, Thomas J. A Revision of the Genus Ancylandrena (Hymenoptera: Andrenidae). San Francisco: California Academy of Sciences, 1974.

MLA (9th ed.) Citation

Zavortink, Thomas J. A Revision of the Genus Ancylandrena (Hymenoptera: Andrenidae). California Academy of Sciences, 1974.