APA

Froeschner R., .Contributions to a synopsis of the Hemiptera of Missouri, part V. Hydrometridae, Gerridae, Veliidae, Saldidae, Ochteridae, Gelastocoridae, Naucoridae, Belostomatidae Nepidae, Notonectidae, Pleidae, Corixidae. : .

Chicago

Froeschner Richard, .Contributions to a synopsis of the Hemiptera of Missouri, part V. Hydrometridae, Gerridae, Veliidae, Saldidae, Ochteridae, Gelastocoridae, Naucoridae, Belostomatidae Nepidae, Notonectidae, Pleidae, Corixidae. : .

Harvard

Froeschner R., .Contributions to a synopsis of the Hemiptera of Missouri, part V. Hydrometridae, Gerridae, Veliidae, Saldidae, Ochteridae, Gelastocoridae, Naucoridae, Belostomatidae Nepidae, Notonectidae, Pleidae, Corixidae. : .

MLA

Froeschner Richard, .: . .