APA

McCoy M. B., Rodríguez Ramírez J. M. & Altuve Marenco J. L.Reproductive success and population increase of black-bellied whistling ducks (<Dendrocygna autumnalis>) in newly placed artificial nests in a tropical freshwater marsh. : .

Chicago

McCoy Michael B, Rodríguez Ramírez Juan María and Altuve Marenco José Luís.Reproductive success and population increase of black-bellied whistling ducks (<Dendrocygna autumnalis>) in newly placed artificial nests in a tropical freshwater marsh. : .

Harvard

McCoy M. B., Rodríguez Ramírez J. M. and Altuve Marenco J. L.Reproductive success and population increase of black-bellied whistling ducks (<Dendrocygna autumnalis>) in newly placed artificial nests in a tropical freshwater marsh. : .

MLA

McCoy Michael B, Rodríguez Ramírez Juan María and Altuve Marenco José Luís.: . .