Cita APA (7a ed.)

Lakin, M. (1985). The helping group: Therapeutic principles and issues. Addison-Wesley.

Cita Chicago Style (17a ed.)

Lakin, Martin. The Helping Group: Therapeutic Principles and Issues. Reading, Mass. [u.a.]: Addison-Wesley, 1985.

Cita MLA (8a ed.)

Lakin, Martin. The Helping Group: Therapeutic Principles and Issues. Addison-Wesley, 1985.