APA
(1974). Psychology its Principles and Applications. New York: T.L.Engle.
Chicago
1974. Psychology its Principles and Applications. New York: T.L.Engle.
Harvard
(1974). Psychology its Principles and Applications. New York: T.L.Engle.
MLA
Psychology its Principles and Applications. New York: T.L.Engle. 1974.