Cita APA (7a ed.)

Skarpsno, E. S., Nilsen, T. I. L., & Mork, P. J. (2021). The effect of long-term poor sleep quality on risk of back-related disability and the modifying role of physical activity. Nature Portfolio.

Cita Chicago Style (17a ed.)

Skarpsno, Eivind Schjelderup, Tom Ivar Lund Nilsen, y Paul Jarle Mork. The Effect of Long-term Poor Sleep Quality on Risk of Back-related Disability and the Modifying Role of Physical Activity. Nature Portfolio, 2021.

Cita MLA (8a ed.)

Skarpsno, Eivind Schjelderup, et al. The Effect of Long-term Poor Sleep Quality on Risk of Back-related Disability and the Modifying Role of Physical Activity. Nature Portfolio, 2021.