Cita APA (7a ed.)

Puryear, D. A. (1988). Helping people in crisis. Jossey-Bass.

Cita Chicago Style (17a ed.)

Puryear, Douglas A. Helping People in Crisis. San Francisco [etc.]: Jossey-Bass, 1988.

Cita MLA (9a ed.)

Puryear, Douglas A. Helping People in Crisis. Jossey-Bass, 1988.

Precaución: Estas citas no son 100% exactas.