APA-Zitierstil (7. Ausg.)

Mullen, F. M. (1989). Drug enforcement agent: [launch an exciting career in the Drug Enforcement Administration (DEA) plus: complete information on other federal and state drug enforcement careers] (1. ed.). ARCO.

Chicago-Zitierstil (17. Ausg.)

Mullen, Francis M. Drug Enforcement Agent: [launch an Exciting Career in the Drug Enforcement Administration (DEA) Plus: Complete Information on Other Federal and State Drug Enforcement Careers]. 1. ed. New York: ARCO, 1989.

MLA-Zitierstil (9. Ausg.)

Mullen, Francis M. Drug Enforcement Agent: [launch an Exciting Career in the Drug Enforcement Administration (DEA) Plus: Complete Information on Other Federal and State Drug Enforcement Careers]. 1. ed. ARCO, 1989.