APA

Timm R. M., Price R. D., .Review of Cummingsia ferris (<Mallophaga: Trimenoponidae>), with a description of two new species. : .

Chicago

Timm Robert M, Price Roger D, .Review of Cummingsia ferris (<Mallophaga: Trimenoponidae>), with a description of two new species. : .

Harvard

Timm R. M., Price R. D., .Review of Cummingsia ferris (<Mallophaga: Trimenoponidae>), with a description of two new species. : .

MLA

Timm Robert M, Price Roger D, .: . .