Berry, J. B. (1966). Western forest trees: A guide to the identification of trees and woods for students, teachers, farmers and woodsmen. Dover.
Citazione stile Chigago Style (17a edizione)Berry, James Berthold. Western Forest Trees: A Guide to the Identification of Trees and Woods for Students, Teachers, Farmers and Woodsmen. Nueva York: Dover, 1966.
Citatione MLA (9a ed.)Berry, James Berthold. Western Forest Trees: A Guide to the Identification of Trees and Woods for Students, Teachers, Farmers and Woodsmen. Dover, 1966.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.