Cita APA (7a ed.)

Dorn, N., & South, N. (1985). Helping drug users: Social work, advice giving, referral and training services of three London 'street agencies'. Gower.

Cita Chicago Style (17a ed.)

Dorn, Nicholas, y Nigel South. Helping Drug Users: Social Work, Advice Giving, Referral and Training Services of Three London 'Street Agencies'. Aldershot [u.a.]: Gower, 1985.

Cita MLA (8a ed.)

Dorn, Nicholas, y Nigel South. Helping Drug Users: Social Work, Advice Giving, Referral and Training Services of Three London 'Street Agencies'. Gower, 1985.