APA (7th ed.) Citation

Usinger, R. L., & Matsuda, R. Classification of the Aradidae (Hemiptera-Heteroptera).

Chicago Style (17th ed.) Citation

Usinger, Robert L., and Ryuichi Matsuda. Classification of the Aradidae (Hemiptera-Heteroptera).

MLA (9th ed.) Citation

Usinger, Robert L., and Ryuichi Matsuda. Classification of the Aradidae (Hemiptera-Heteroptera).

Warning: These citations may not always be 100% accurate.