APA

Piercy F. P., Sprenkle D. H. & Wetchler J. L. (1996). Family therapy sourcebook. New York: The Guilford Press.

Chicago

Piercy Fred P, Sprenkle Douglas H and Wetchler Joseph L. 1996. Family therapy sourcebook. New York: The Guilford Press.

Harvard

Piercy F. P., Sprenkle D. H. and Wetchler J. L. (1996). Family therapy sourcebook. New York: The Guilford Press.

MLA

Piercy Fred P, Sprenkle Douglas H and Wetchler Joseph L. Family therapy sourcebook. New York: The Guilford Press. 1996.