Johnson, V. E. (1990). Everything you need to know about chemical dependence: Vernon Johnson's complete guide for families. Johnson Inst.
Cita Chicago Style (17a ed.)Johnson, Vernon E. Everything You Need to Know About Chemical Dependence: Vernon Johnson's Complete Guide for Families. Minneapolis: Johnson Inst, 1990.
Cita MLA (8a ed.)Johnson, Vernon E. Everything You Need to Know About Chemical Dependence: Vernon Johnson's Complete Guide for Families. Johnson Inst, 1990.
Precaución: Estas citas no son 100% exactas.