Cita APA (7a ed.)

Liu, X., & Yuan, C. (1993). Furthering international drug control cooperation.

Cita Chicago Style (17a ed.)

Liu, Xuanlue, y Cheng Yuan. Furthering International Drug Control Cooperation. [Beijing], 1993.

Cita MLA (9a ed.)

Liu, Xuanlue, y Cheng Yuan. Furthering International Drug Control Cooperation. 1993.