APA Style

Gatchel, R, J., Turk, D, C. (1999). Psychosocial Factors in Pain : Critical Perspectives . New York: Guilford Press.

MLA Style

Gatchel, Robert, J.., Turk, Dennis, C.. "Psychosocial Factors in Pain : Critical Perspectives". New York: Guilford Press, 1999. Text.