Cita APA (7a ed.)

Zheng, Y. (2005). The social life of opium in China. Cambridge University Press.

Cita Chicago Style (17a ed.)

Zheng, Yangwen. The Social Life of Opium in China. Cambridge ; New York: Cambridge University Press, 2005.

Cita MLA (9a ed.)

Zheng, Yangwen. The Social Life of Opium in China. Cambridge University Press, 2005.