APA-viite

Griffin, S. C., Williams, A. B., Mladen, S. N., Perrin, P. B., Dzierzewski, J. M., & Rybarczyk, B. D. (2019). Reciprocal Effects Between Loneliness and Sleep Disturbance in Older Americans. J Aging Health.

Chicago-tyylinen lähdeviittaus

Griffin, Sarah C., Allison Baylor Williams, Samantha N. Mladen, Paul B. Perrin, Joseph M. Dzierzewski, ja Bruce D. Rybarczyk. "Reciprocal Effects Between Loneliness and Sleep Disturbance in Older Americans." J Aging Health 2019.

MLA-viite

Griffin, Sarah C., et al. "Reciprocal Effects Between Loneliness and Sleep Disturbance in Older Americans." J Aging Health 2019.

Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.