APA citiranje

Tucker, J. D., Yin, Y., Wang, B., Chen, X., & Cohen, M. S. (2011). An expanding syphilis epidemic in China: Epidemiology, behavioural risk and control strategies with a focus on low-tier female sex workers and men who have sex with men. BMJ Group.

Citação norma Chicago

Tucker, Joseph D., Yue-Ping Yin, Baoxi Wang, Xiang-Sheng Chen, and Myron S. Cohen. An Expanding Syphilis Epidemic in China: Epidemiology, Behavioural Risk and Control Strategies With a Focus On Low-tier Female Sex Workers and Men Who Have Sex With Men. BMJ Group, 2011.

MLA citiranje

Tucker, Joseph D., et al. An Expanding Syphilis Epidemic in China: Epidemiology, Behavioural Risk and Control Strategies With a Focus On Low-tier Female Sex Workers and Men Who Have Sex With Men. BMJ Group, 2011.