Cita APA (7a ed.)

Emmett, D., Nice, G., & Nice, G. (1996). Understanding drugs: A handbook for parents, teachers, and other professionals. Kingsley Publishers.

Cita Chicago Style (17a ed.)

Emmett, David, Graham Nice, y Graeme Nice. Understanding Drugs: A Handbook for Parents, Teachers, and Other Professionals. London [u.a.]: Kingsley Publishers, 1996.

Cita MLA (8a ed.)

Emmett, David, et al. Understanding Drugs: A Handbook for Parents, Teachers, and Other Professionals. Kingsley Publishers, 1996.