Cita APA (7a ed.)

Clements, K. W., & Zhao, X. (2009). Economics and marijuana: Consumption, pricing and legalisation. Cambridge Univ. Press.

Cita Chicago Style (17a ed.)

Clements, Kenneth W., y Xueyan Zhao. Economics and Marijuana: Consumption, Pricing and Legalisation. Cambridge [u.a.]: Cambridge Univ. Press, 2009.

Cita MLA (9a ed.)

Clements, Kenneth W., y Xueyan Zhao. Economics and Marijuana: Consumption, Pricing and Legalisation. Cambridge Univ. Press, 2009.