Cita APA (7a ed.)

Gershon, M. D., & Biller, H. B. (1977). The other helpers: Paraprofessionals and nonprofessionals in mental health. Lexington Books.

Cita Chicago Style (17a ed.)

Gershon, Michael D., y Henry B. Biller. The Other Helpers: Paraprofessionals and Nonprofessionals in Mental Health. Lexington, Mass. [u.a.]: Lexington Books, 1977.

Cita MLA (8a ed.)

Gershon, Michael D., y Henry B. Biller. The Other Helpers: Paraprofessionals and Nonprofessionals in Mental Health. Lexington Books, 1977.