APA

Olson S. L., .Hybrid between the Orioles, Icterus chrysater and I. mesomelas. : .

Chicago

Olson Storrs L, .Hybrid between the Orioles, Icterus chrysater and I. mesomelas. : .

Harvard

Olson S. L., .Hybrid between the Orioles, Icterus chrysater and I. mesomelas. : .

MLA

Olson Storrs L, .: . .