Gentry, A. H. 1., & Vásquez Martínez, R. 1. (1996). A field guide to the families and genera of woody plants of Northwest South America (Colombia, Ecuador, Peru) with supplementary notes on herbaceous taxa. Chicago, III.: The University of Chicago Press.
Chicago Style CitationGentry, Alwyn Howard 1945-1993, and Rodolfo 1956- Vásquez Martínez. A Field Guide to the Families and Genera of Woody Plants of Northwest South America (Colombia, Ecuador, Peru) With Supplementary Notes On Herbaceous Taxa. Chicago, III.: The University of Chicago Press, 1996.
MLA CitationGentry, Alwyn Howard 1945-1993, and Rodolfo 1956- Vásquez Martínez. A Field Guide to the Families and Genera of Woody Plants of Northwest South America (Colombia, Ecuador, Peru) With Supplementary Notes On Herbaceous Taxa. Chicago, III.: The University of Chicago Press, 1996.