Kaplan, R., & Kaplan, S. (1989). The Experience of nature: A psychological perspective. Cambridge University Press.
Citazione stile Chigago Style (17a edizione)Kaplan, Rachel, e Stephen Kaplan. The Experience of Nature: A Psychological Perspective. New York: Cambridge University Press, 1989.
Citatione MLA (9a ed.)Kaplan, Rachel, e Stephen Kaplan. The Experience of Nature: A Psychological Perspective. Cambridge University Press, 1989.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.