Cita APA (7th ed.)
Narcotics Anonymous. (1987). Narcotics anonymous (5th ed.). World Service Office.
Cita Chicago (17th ed.)
Narcotics Anonymous. Narcotics Anonymous. 5th ed. Van Nuys, CA, U.S.A: World Service Office, 1987.
Cita MLA (9th ed.)
Narcotics Anonymous. Narcotics Anonymous. 5th ed. World Service Office, 1987.
Atenció: Aquestes cites poden no estar 100% correctes.