Usinger, R. L. (1963). Aquatic insects of California: With keys to North American genera and California species. University of California Press.
Cita Chicago Style (17a ed.)Usinger, Robert L. Aquatic Insects of California: With Keys to North American Genera and California Species. Berkeley: University of California Press, 1963.
Cita MLA (9a ed.)Usinger, Robert L. Aquatic Insects of California: With Keys to North American Genera and California Species. University of California Press, 1963.
Precaución: Estas citas no son 100% exactas.