Cuervo, A.M., Stiles, F.G., Lentino, M., Brumfield, R.T. & Derryberry, E.P. (2014)

Geographic variation and phylogenetic relationships of Myiopagis olallai (Aves: Passeriformes; Tyrannidae), with the description of two new taxa from the Northern Andes

. Zootaxa, 3873 (1), 1–24.