Cita APA (7a ed.)

Keller, O., & Alper, B. S. (1970). Halfway houses: Community centered correction and treatment. Heath Lexington Books.

Cita Chicago Style (17a ed.)

Keller, Oliver, y Benedict S. Alper. Halfway Houses: Community Centered Correction and Treatment. Lexington, Mass: Heath Lexington Books, 1970.

Cita MLA (8a ed.)

Keller, Oliver, y Benedict S. Alper. Halfway Houses: Community Centered Correction and Treatment. Heath Lexington Books, 1970.