Cita APA (7a ed.)

Humes, C. W., & Blum, D. (1987). Contemporary counseling: Services, applications, issues. Accelerated Development.

Cita Chicago Style (17a ed.)

Humes, Charles W., y Dorothy Blum. Contemporary Counseling: Services, Applications, Issues. Muncie, Ind: Accelerated Development, 1987.

Cita MLA (8a ed.)

Humes, Charles W., y Dorothy Blum. Contemporary Counseling: Services, Applications, Issues. Accelerated Development, 1987.