Cita APA (7a ed.)

Becnel, B. C. (1989). Parents who help their children overcome drugs. Lowell House [u.a.].

Cita Chicago Style (17a ed.)

Becnel, Barbara C. Parents Who Help Their Children Overcome Drugs. Los Angeles: Lowell House [u.a.], 1989.

Cita MLA (9a ed.)

Becnel, Barbara C. Parents Who Help Their Children Overcome Drugs. Lowell House [u.a.], 1989.