APA

Miller A. H., .Supplementary data on the tropical avifauna of the arid upper Magdalena Valley of Colombia. : .

Chicago

Miller Alden H, .Supplementary data on the tropical avifauna of the arid upper Magdalena Valley of Colombia. : .

Harvard

Miller A. H., .Supplementary data on the tropical avifauna of the arid upper Magdalena Valley of Colombia. : .

MLA

Miller Alden H, .: . .