APA
Donaldson S., . (1982). The one tree. New York: HarperCollins.
Chicago
Donaldson Stephen, . 1982. The one tree. New York: HarperCollins.
Harvard
Donaldson S., . (1982). The one tree. New York: HarperCollins.
MLA
Donaldson Stephen, . The one tree. New York: HarperCollins. 1982.