Defler, T.R. and Hernández-Camacho, J.I. 2002. The true identity and characteristics of Simia albifrons Humboldt, 1812: description of neotype. Neotropical Primates. 10, 2 (Aug. 2002), 49–64. DOI:https://doi.org/10.62015/np.2002.v10.504.