APA

Olson S. L., .Systematic notes on certain oscines from Panama and adjacent areas (<Aves: Passeriformes>). : .

Chicago

Olson Storrs L, .Systematic notes on certain oscines from Panama and adjacent areas (<Aves: Passeriformes>). : .

Harvard

Olson S. L., .Systematic notes on certain oscines from Panama and adjacent areas (<Aves: Passeriformes>). : .

MLA

Olson Storrs L, .: . .