Stager, K. E. (1961). A new bird of the genus Picumnus from eastern Brazil. Zenodo.
Cita Chicago (17th ed.)Stager, Kenneth E. A New Bird of the Genus Picumnus from Eastern Brazil. Zenodo, 1961.
Cita MLA (9th ed.)Stager, Kenneth E. A New Bird of the Genus Picumnus from Eastern Brazil. Zenodo, 1961.
Atenció: Aquestes cites poden no estar 100% correctes.