Cita APA (7a ed.)

Helfer, R. E. (1978). Child abuse: A plan for prevention. National Committee for Prevention of Child Abuse.

Cita Chicago Style (17a ed.)

Helfer, Ray E. Child Abuse: A Plan for Prevention. Chicago: National Committee for Prevention of Child Abuse, 1978.

Cita MLA (8a ed.)

Helfer, Ray E. Child Abuse: A Plan for Prevention. National Committee for Prevention of Child Abuse, 1978.