APA (7th ed.) Citation

Pennel, R. L. Recidivism by alcohol abusing probationers. Univ. Microfilms International.

Chicago Style (17th ed.) Citation

Pennel, Roger L. Recidivism by Alcohol Abusing Probationers. Ann Arbor, Mich: Univ. Microfilms International.

MLA (9th ed.) Citation

Pennel, Roger L. Recidivism by Alcohol Abusing Probationers. Univ. Microfilms International.

Warning: These citations may not always be 100% accurate.