APA

Fjeldsa J., .Systematic relations of an assembly of allopatric rails fom western South America (<Aves: Rallidae>). : .

Chicago

Fjeldsa Jon, .Systematic relations of an assembly of allopatric rails fom western South America (<Aves: Rallidae>). : .

Harvard

Fjeldsa J., .Systematic relations of an assembly of allopatric rails fom western South America (<Aves: Rallidae>). : .

MLA

Fjeldsa Jon, .: . .