Gaya APA

Cohen, M, J., BROCKA, B. (1995). Pain treatment centers at a crossroads: a practical and conceptual reappraisal / editor, Mitchell J.M. Cohen . Seattle: IASP Press.

Gaya MLA

Cohen, Mitchell, J.M.., BROCKA, Bruce. "Pain treatment centers at a crossroads: a practical and conceptual reappraisal / editor, Mitchell J.M. Cohen". Seattle: IASP Press, 1995. Text.