Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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