Samuels, G. B. (1999). Enduring roots: Encounters with trees, history, and the American landscape. Rutgers University Press.
Citazione stile Chigago Style (17a edizione)Samuels, Gayle Brandow. Enduring Roots: Encounters with Trees, History, and the American Landscape. New Brunswick, N.J.: Rutgers University Press, 1999.
Citatione MLA (9a ed.)Samuels, Gayle Brandow. Enduring Roots: Encounters with Trees, History, and the American Landscape. Rutgers University Press, 1999.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.