APA (7th ed.) Citation

Liu, W., Wang, S., Gu, H., & Li, R. Heart rate variability, a potential assessment tool for identifying anxiety, depression, and sleep disorders in elderly individuals. Frontiers Media S.A.

Chicago Style (17th ed.) Citation

Liu, Wenna, Shutong Wang, Hanyang Gu, and Rong Li. Heart Rate Variability, a Potential Assessment Tool for Identifying Anxiety, Depression, and Sleep Disorders in Elderly Individuals. Frontiers Media S.A.

MLA (9th ed.) Citation

Liu, Wenna, et al. Heart Rate Variability, a Potential Assessment Tool for Identifying Anxiety, Depression, and Sleep Disorders in Elderly Individuals. Frontiers Media S.A.

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