Cita APA (7a ed.)

Hobbs, M. (1984). Crisis intervention in theory and practice: A selective review. [s.n.].

Cita Chicago Style (17a ed.)

Hobbs, Michael. Crisis Intervention in Theory and Practice: A Selective Review. [S.l.]: [s.n.], 1984.

Cita MLA (9a ed.)

Hobbs, Michael. Crisis Intervention in Theory and Practice: A Selective Review. [s.n.], 1984.