Cita APA (7a ed.)

O'Hagan, K. (1986). Crisis intervention in social services (1. publ.). Macmillan.

Cita Chicago Style (17a ed.)

O'Hagan, Kieran. Crisis Intervention in Social Services. 1. publ. Basingstoke [u.a.]: Macmillan, 1986.

Cita MLA (9a ed.)

O'Hagan, Kieran. Crisis Intervention in Social Services. 1. publ. Macmillan, 1986.