APA

Gentry A. H., Conservation International, . (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: University of Chicago Press.

Chicago

Gentry Alwyn H, Conservation International, . 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: University of Chicago Press.

Harvard

Gentry A. H., Conservation International, . (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: University of Chicago Press.

MLA

Gentry Alwyn H, Conservation International, . 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: University of Chicago Press. 1996.