Cita APA (7a ed.)

Zheng, Y. (2005). The social life of opium in China (1. publ.). Cambridge Univ. Press.

Cita Chicago Style (17a ed.)

Zheng, Yangwen. The Social Life of Opium in China. 1. publ. Cambridge [u.a.]: Cambridge Univ. Press, 2005.

Cita MLA (8a ed.)

Zheng, Yangwen. The Social Life of Opium in China. 1. publ. Cambridge Univ. Press, 2005.