MLA

Ford, Donald H., and Hugh B Urban. Systems of Psychotherapy : a Comparative Study. New York: John Wiley & sons, 1963.

APA

Ford, D. H., & Urban, H. B. (1963). Systems of psychotherapy : a comparative study. New York: John Wiley & sons.

Chicago

Ford, Donald H., and Hugh B. Urban. Systems of Psychotherapy: A Comparative Study. New York: John Wiley & sons, 1963.