Cita APA (7a ed.)

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.