APA (7th ed.) Citation

Li, Y., Xu, H., Wu, J., Ding, Y., Zhu, Y., Wang, Y., . . . Su, H. Long-term risk of late-life depression in widowed elderly: A five-year follow-up study. BMC.

Chicago Style (17th ed.) Citation

Li, Yang, Hu Xu, Jiale Wu, Yi Ding, Yunqian Zhu, Yang Wang, Xingbing Chen, and Hui Su. Long-term Risk of Late-life Depression in Widowed Elderly: A Five-year Follow-up Study. BMC.

MLA (9th ed.) Citation

Li, Yang, et al. Long-term Risk of Late-life Depression in Widowed Elderly: A Five-year Follow-up Study. BMC.