Gentry, A. H., & Vásquez, R. (1996). A field guide to the families and genera of woody plants of northwest south America: (Colombia, Ecuador, Perú) with supplementary notes herbaceous taxa. The University of Chicago Press.
Chicago Style (17th ed.) CitationGentry, Alwyn H., and Rodolfo Vásquez. A Field Guide to the Families and Genera of Woody Plants of Northwest South America: (Colombia, Ecuador, Perú) with Supplementary Notes Herbaceous Taxa. Chicago: The University of Chicago Press, 1996.
MLA (9th ed.) CitationGentry, Alwyn H., and Rodolfo Vásquez. A Field Guide to the Families and Genera of Woody Plants of Northwest South America: (Colombia, Ecuador, Perú) with Supplementary Notes Herbaceous Taxa. The University of Chicago Press, 1996.