Cita APA (7a ed.)

Yang, Y., Xu, Y., Chen, W., Zhu, J., Lu, J., & Zhong, B. (2017). Prevalence of pain and its socio-demographic and clinical correlates among heroin-dependent patients receiving methadone maintenance treatment. Nature Portfolio.

Cita Chicago Style (17a ed.)

Yang, Ying-Jia, Yan-Min Xu, Wen-Cai Chen, Jun-Hong Zhu, Jin Lu, y Bao-Liang Zhong. Prevalence of Pain and Its Socio-demographic and Clinical Correlates Among Heroin-dependent Patients Receiving Methadone Maintenance Treatment. Nature Portfolio, 2017.

Cita MLA (8a ed.)

Yang, Ying-Jia, et al. Prevalence of Pain and Its Socio-demographic and Clinical Correlates Among Heroin-dependent Patients Receiving Methadone Maintenance Treatment. Nature Portfolio, 2017.