APA
Michael P Nichols R. C. S., . (1991). Family therapy. Allyn And Bacon, Boston: .
Chicago
Michael P Nichols Richard C Schwartz, . 1991. Family therapy. Allyn And Bacon, Boston: .
Harvard
Michael P Nichols R. C. S., . (1991). Family therapy. Allyn And Bacon, Boston: .
MLA
Michael P Nichols Richard C Schwartz, . Family therapy. Allyn And Bacon, Boston: . 1991.