Cita APA (7a ed.)

Twenge, J. M., Hisler, G., & Križan, Z. (2017). Decreases in self-reported sleep duration among U.S. adolescents 2009-2015 and association with new media screen time. Sleep medicine, 39, 47-53. doi:10.1016/j.sleep.2017.08.013

Cita Chicago Style (17a ed.)

Twenge, Jean M., Garrett Hisler, y Zlatan Križan. "Decreases in Self-reported Sleep Duration Among U.S. Adolescents 2009-2015 and Association with New Media Screen Time." Sleep Medicine 39 (2017): 47-53. https://doi.org/10.1016/j.sleep.2017.08.013.

Cita MLA (9a ed.)

Twenge, Jean M., et al. "Decreases in Self-reported Sleep Duration Among U.S. Adolescents 2009-2015 and Association with New Media Screen Time." Sleep Medicine, vol. 39, 2017, pp. 47-53, https://doi.org/10.1016/j.sleep.2017.08.013.