Cita APA (7a ed.)

Duffee, D., & Fitch, R. (1976). An introduction to corrections: A policy and systems approach. Goodyear Publ. Co.

Cita Chicago Style (17a ed.)

Duffee, David, y Robert Fitch. An Introduction to Corrections: A Policy and Systems Approach. Santa Monica, Calif: Goodyear Publ. Co, 1976.

Cita MLA (8a ed.)

Duffee, David, y Robert Fitch. An Introduction to Corrections: A Policy and Systems Approach. Goodyear Publ. Co, 1976.