APA

Hungerford H. B., Matsuda R., .New genus of Gerridae (Hemiptera) from South America. : .

Chicago

Hungerford Herbert B, Matsuda Ryuichi, .New genus of Gerridae (Hemiptera) from South America. : .

Harvard

Hungerford H. B., Matsuda R., .New genus of Gerridae (Hemiptera) from South America. : .

MLA

Hungerford Herbert B, Matsuda Ryuichi, .: . .