APA (7th ed.) Citation

Allen, H. E., Carlson, E. W., & Parks, E. C. Critical issues in adult probation: Summary.

Chicago Style (17th ed.) Citation

Allen, Harry E., Eric W. Carlson, and Evalyn C. Parks. Critical Issues in Adult Probation: Summary.

MLA (9th ed.) Citation

Allen, Harry E., et al. Critical Issues in Adult Probation: Summary.