APA
Anderson D., . (1987). The economics of afforestation. Baltimore: Johns Hopkins University Press.
Chicago
Anderson Dennis, . 1987. The economics of afforestation. Baltimore: Johns Hopkins University Press.
Harvard
Anderson D., . (1987). The economics of afforestation. Baltimore: Johns Hopkins University Press.
MLA
Anderson Dennis, . The economics of afforestation. Baltimore: Johns Hopkins University Press. 1987.