Cita APA (7th ed.)
Lenson, D. (1995). On drugs. University of Minnesota Press.
Cita Chicago (17th ed.)
Lenson, David. On Drugs. Minneapolis: University of Minnesota Press, 1995.
Cita MLA (9th ed.)
Lenson, David. On Drugs. University of Minnesota Press, 1995.
Atenció: Aquestes cites poden no estar 100% correctes.