Cita APA

Usinger, R. L. (1956). Aquatic insects of California: With Keis to Noth American genera and California species. Berkeley: University of California.

Citación estilo Chicago

Usinger, Roberto L. Aquatic Insects of California: With Keis to Noth American Genera and California Species. Berkeley: University of California, 1956.

Cita MLA

Usinger, Roberto L. Aquatic Insects of California: With Keis to Noth American Genera and California Species. Berkeley: University of California, 1956.