APA Style

Duffy, D. (2004). 22 new approaches to preventing suicide a manual for practitioners . 116 Pentonville Road London N1: Jessica Kingsley Publishers London and Philadelphia.

MLA Style

Duffy, David. "22 new approaches to preventing suicide a manual for practitioners". 116 Pentonville Road London N1: Jessica Kingsley Publishers London and Philadelphia, 2004. Text.