Cita APA (7a ed.)

Hubbard, R. L., & Harwood, H. J. (1981). Employment related services in drug treatment programs. DHHS publication.

Cita Chicago Style (17a ed.)

Hubbard, Robert L., y Henrick J. Harwood. "Employment Related Services in Drug Treatment Programs." DHHS Publication 1981.

Cita MLA (8a ed.)

Hubbard, Robert L., y Henrick J. Harwood. "Employment Related Services in Drug Treatment Programs." DHHS Publication, 1981.