APA (7th ed.) Citation

Lester, D., & Brockopp, G. W. (1973). Crisis intervention and counseling by telephone. Thomas.

Chicago Style (17th ed.) Citation

Lester, David, and Gene W. Brockopp. Crisis Intervention and Counseling by Telephone. Springfield, Ill: Thomas, 1973.

MLA (9th ed.) Citation

Lester, David, and Gene W. Brockopp. Crisis Intervention and Counseling by Telephone. Thomas, 1973.

Warning: These citations may not always be 100% accurate.