APA
Feldstein A. B., . (1964). Three ring mad. New York: Nal.
Chicago
Feldstein Albert B, . 1964. Three ring mad. New York: Nal.
Harvard
Feldstein A. B., . (1964). Three ring mad. New York: Nal.
MLA
Feldstein Albert B, . Three ring mad. New York: Nal. 1964.
