Cita APA

Aguilera, D. C., & Messick, J. M. (1982). Crisis intervention: Theory and methodology (4. edition.). St Louis, Miss.: Mosby.

Citación estilo Chicago

Aguilera, Donna C., y Janice M. Messick. Crisis Intervention: Theory and Methodology. 4. edition. St Louis, Miss.: Mosby, 1982.

Cita MLA

Aguilera, Donna C., y Janice M. Messick. Crisis Intervention: Theory and Methodology. 4. edition. St Louis, Miss.: Mosby, 1982.