APA

Sclater P. L., Salvin O., .Descriptions of five new species of birds from the United States of Columbia. : .

Chicago

Sclater P L, Salvin Osbert, .Descriptions of five new species of birds from the United States of Columbia. : .

Harvard

Sclater P. L., Salvin O., .Descriptions of five new species of birds from the United States of Columbia. : .

MLA

Sclater P L, Salvin Osbert, .: . .