Cita APA (7a ed.)

Lester, D., & Rogers, J. R. (2012). Crisis intervention and counseling by telephone and the Internet (3rd ed.). Charles C. Thomas, Publisher.

Cita Chicago Style (17a ed.)

Lester, David, y James R. Rogers. Crisis Intervention and Counseling by Telephone and the Internet. 3rd ed. Springfield, Ill.: Charles C. Thomas, Publisher, 2012.

Cita MLA (8a ed.)

Lester, David, y James R. Rogers. Crisis Intervention and Counseling by Telephone and the Internet. 3rd ed. Charles C. Thomas, Publisher, 2012.