Perkins, P. D. (1976). Psammophilous Aquatic Beetles in Southern California: A Study of Microhabitat Preferences with Notes on Responses to Stream Alteration (Coleoptera: Hydraenidae and Hydrophilidae). Zenodo.
Chicago Style (17th ed.) CitationPerkins, Philip D. Psammophilous Aquatic Beetles in Southern California: A Study of Microhabitat Preferences with Notes on Responses to Stream Alteration (Coleoptera: Hydraenidae and Hydrophilidae). Zenodo, 1976.
MLA (9th ed.) CitationPerkins, Philip D. Psammophilous Aquatic Beetles in Southern California: A Study of Microhabitat Preferences with Notes on Responses to Stream Alteration (Coleoptera: Hydraenidae and Hydrophilidae). Zenodo, 1976.
Warning: These citations may not always be 100% accurate.