APA

Maldonado Ocampo J. A., Vari R. P. & Usma J. S.Checklist of the freshwater fishes of Colombia. : .

Chicago

Maldonado Ocampo Javier A, Vari Richard P and Usma José Saulo.Checklist of the freshwater fishes of Colombia. : .

Harvard

Maldonado Ocampo J. A., Vari R. P. and Usma J. S.Checklist of the freshwater fishes of Colombia. : .

MLA

Maldonado Ocampo Javier A, Vari Richard P and Usma José Saulo.: . .