Cita APA (7a ed.)

Johnson, V. E. (1986). Intervention: How to help someone who doesn't want help ; a step-by-step guide for families and friends of chemically dependent persons. Johnson Institute Books.

Cita Chicago Style (17a ed.)

Johnson, Vernon E. Intervention: How to Help Someone Who Doesn't Want Help ; a Step-by-step Guide for Families and Friends of Chemically Dependent Persons. Minneapolis: Johnson Institute Books, 1986.

Cita MLA (8a ed.)

Johnson, Vernon E. Intervention: How to Help Someone Who Doesn't Want Help ; a Step-by-step Guide for Families and Friends of Chemically Dependent Persons. Johnson Institute Books, 1986.