Cita APA (7a ed.)

Frydl, K. (2013). The drug wars in America: 1940 - 1973. Cambridge Univ. Press.

Cita Chicago Style (17a ed.)

Frydl, Kathleen. The Drug Wars in America: 1940 - 1973. Cambridge [u.a.]: Cambridge Univ. Press, 2013.

Cita MLA (8a ed.)

Frydl, Kathleen. The Drug Wars in America: 1940 - 1973. Cambridge Univ. Press, 2013.