Remsen, Jr., J. V. (2020). Crested Spinetail (Cranioleuca subcristata), version 1.0. In Birds of the World (J. del Hoyo, A. Elliott, J. Sargatal, D. A. Christie, and E. de Juana, Editors). Cornell Lab of Ornithology, Ithaca, NY, USA. https://doi.org/10.2173/bow.crespi1.01 retrieved November 13, 2023