APA-referens (7:e uppl.)

M, Y., M, K., Y, M., M, M., K, T., & T, K. (2017). Smartphone viewing distance and sleep. Nature and Science of Sleep, ume 9, 59-65.

Chicago-referens (17:e uppl.)

M, Yoshimura, Kitazawa M, Maeda Y, Mimura M, Tsubota K, och Kishimoto T. "Smartphone Viewing Distance and Sleep." Nature and Science of Sleep ume 9 (2017): 59-65.

MLA-referens (9:e uppl.)

M, Yoshimura, et al. "Smartphone Viewing Distance and Sleep." Nature and Science of Sleep, vol. ume 9, 2017, pp. 59-65.