APA

Hungerford H. B., Kansas L., .Concerning Charmatometra bakeri (Kirkaldy) (Hemiptera: Gerridae). : .

Chicago

Hungerford H B, Kansas Lawrence, .Concerning Charmatometra bakeri (Kirkaldy) (Hemiptera: Gerridae). : .

Harvard

Hungerford H. B., Kansas L., .Concerning Charmatometra bakeri (Kirkaldy) (Hemiptera: Gerridae). : .

MLA

Hungerford H B, Kansas Lawrence, .: . .