APA (7th ed.) Citation

Wallis, P., Aldington, C., & Liebmann, M. (2010). What have I done?: A victim empathy programme for young people. Jessica Kingsley Publishers.

Chicago Style (17th ed.) Citation

Wallis, Pete, Clair Aldington, and Marian Liebmann. What Have I Done?: A Victim Empathy Programme for Young People. London ; Philadelphia: Jessica Kingsley Publishers, 2010.

MLA (9th ed.) Citation

Wallis, Pete, et al. What Have I Done?: A Victim Empathy Programme for Young People. Jessica Kingsley Publishers, 2010.