Vari, R. P., & Harold, A. S. (2001). Phylogenetic study of the neotropical fish genera Creagrutus Gunther and Piabina Reinhardt (Teleostei : Ostariophysi: Characiformes), with a revision of the cis-Andean species. Smithsonian Institution Press.
Chicago Style (17th ed.) CitationVari, Richard P., and Antony S. Harold. Phylogenetic Study of the Neotropical Fish Genera Creagrutus Gunther and Piabina Reinhardt (Teleostei : Ostariophysi: Characiformes), with a Revision of the Cis-Andean Species. Washington, D. C: Smithsonian Institution Press, 2001.
MLA (9th ed.) CitationVari, Richard P., and Antony S. Harold. Phylogenetic Study of the Neotropical Fish Genera Creagrutus Gunther and Piabina Reinhardt (Teleostei : Ostariophysi: Characiformes), with a Revision of the Cis-Andean Species. Smithsonian Institution Press, 2001.