Cita APA (7a ed.)

Clarke, J. I. (1993). Help!: For kids and parents about drugs. Harper.

Cita Chicago Style (17a ed.)

Clarke, Jean I. Help!: For Kids and Parents About Drugs. Francisco [u.a.]: Harper, 1993.

Cita MLA (8a ed.)

Clarke, Jean I. Help!: For Kids and Parents About Drugs. Harper, 1993.