APA (7th ed.) Citation

Zhao, Y., Dupre, M. E., Qiu, L., & Gu, D. (2017, June). Changes in perceived uselessness and risks for mortality: Evidence from a National sample of older adults in China. BMC Public Health.

Chicago Style (17th ed.) Citation

Zhao, Yuan, Matthew E. Dupre, Li Qiu, and Danan Gu. "Changes in Perceived Uselessness and Risks for Mortality: Evidence from a National Sample of Older Adults in China." BMC Public Health Jun. 2017.

MLA (9th ed.) Citation

Zhao, Yuan, et al. "Changes in Perceived Uselessness and Risks for Mortality: Evidence from a National Sample of Older Adults in China." BMC Public Health, Jun. 2017.

Warning: These citations may not always be 100% accurate.