Cita APA (7a ed.)

Singer, K. (1975). The prognosis of narcotic addiction. Butterworths.

Cita Chicago Style (17a ed.)

Singer, K. The Prognosis of Narcotic Addiction. London [u.a.]: Butterworths, 1975.

Cita MLA (9a ed.)

Singer, K. The Prognosis of Narcotic Addiction. Butterworths, 1975.