Cita APA (7a ed.)

O'Hagan, K. (1986). Crisis intervention in social services. MacMillan.

Cita Chicago Style (17a ed.)

O'Hagan, Kieran. Crisis Intervention in Social Services. Basingstoke [etc.]: MacMillan, 1986.

Cita MLA (9a ed.)

O'Hagan, Kieran. Crisis Intervention in Social Services. MacMillan, 1986.