Cita APA (7a ed.)

Williams, J. B., & Mardell, E. A. (1973). Life skills course for corrections: Curriculum guide Life skills.

Cita Chicago Style (17a ed.)

Williams, James B., y Edward A. Mardell. "Life Skills Course for Corrections: Curriculum Guide." Life Skills 1973.

Cita MLA (9a ed.)

Williams, James B., y Edward A. Mardell. "Life Skills Course for Corrections: Curriculum Guide." Life Skills, 1973.