APA (7th ed.) Citation

Sun, X., Ma, T., Yao, S., Chen, Z., Xu, W., Jiang, X., & Wang, X. (2020). Associations of sleep quality and sleep duration with frailty and pre-frailty in an elderly population Rugao longevity and ageing study. BMC geriatrics, 20(1), 9. https://doi.org/10.1186/s12877-019-1407-5

Chicago Style (17th ed.) Citation

Sun, Xue-Hui, Teng Ma, Shun Yao, Ze-Kun Chen, Wen-Dong Xu, Xiao-Yan Jiang, and Xiao-Feng Wang. "Associations of Sleep Quality and Sleep Duration with Frailty and Pre-frailty in an Elderly Population Rugao Longevity and Ageing Study." BMC Geriatrics 20, no. 1 (2020): 9. https://doi.org/10.1186/s12877-019-1407-5.

MLA (9th ed.) Citation

Sun, Xue-Hui, et al. "Associations of Sleep Quality and Sleep Duration with Frailty and Pre-frailty in an Elderly Population Rugao Longevity and Ageing Study." BMC Geriatrics, vol. 20, no. 1, 2020, p. 9, https://doi.org/10.1186/s12877-019-1407-5.