APA citiranje

Berg, C. J., Nehl, E. J., Wang, X., Ding, Y., He, N., & Wong, F. Y. (2014). Utilization of Cessation Resources Among HIV-Positive and HIV-Negative Men Who Smoke and Who Have Sex With Men in Chengdu, China. Oxford University Press.

Citação norma Chicago

Berg, Carla J., Eric J. Nehl, Xiaodong Wang, Yingying Ding, Na He, and Frank Y. Wong. Utilization of Cessation Resources Among HIV-Positive and HIV-Negative Men Who Smoke and Who Have Sex With Men in Chengdu, China. Oxford University Press, 2014.

MLA citiranje

Berg, Carla J., et al. Utilization of Cessation Resources Among HIV-Positive and HIV-Negative Men Who Smoke and Who Have Sex With Men in Chengdu, China. Oxford University Press, 2014.