Cita APA (7a ed.)

Collins, G. R. (1991). Excellence and ethics in counseling. Word publishing.

Cita Chicago Style (17a ed.)

Collins, Gary R. Excellence and Ethics in Counseling. [Dallas [etc.]: Word publishing, 1991.

Cita MLA (9a ed.)

Collins, Gary R. Excellence and Ethics in Counseling. Word publishing, 1991.