APA (7th ed.) Citation

Usinger, R. L. (1939). Descriptions of new Triatominae: With a key to general (Hemiptera, Reduviidae). University of California press.

Chicago Style (17th ed.) Citation

Usinger, Robert L. Descriptions of New Triatominae: With a Key to General (Hemiptera, Reduviidae). Berkeley: University of California press, 1939.

MLA (9th ed.) Citation

Usinger, Robert L. Descriptions of New Triatominae: With a Key to General (Hemiptera, Reduviidae). University of California press, 1939.