APA-Zitierstil (7. Ausg.)

Kumar, S., Bhatia, M., & Behari, M. (2003). Excessive daytime sleepiness in Parkinson's disease as assessed by Epworth Sleepiness Scale (ESS). Sleep medicine, 4(4), 339-342. https://doi.org/10.1016/S1389-9457(03)00105-9

Chicago-Zitierstil (17. Ausg.)

Kumar, Suresh, M. Bhatia, und M. Behari. "Excessive Daytime Sleepiness in Parkinson's Disease as Assessed by Epworth Sleepiness Scale (ESS)." Sleep Medicine 4, no. 4 (2003): 339-342. https://doi.org/10.1016/S1389-9457(03)00105-9.

MLA-Zitierstil (9. Ausg.)

Kumar, Suresh, et al. "Excessive Daytime Sleepiness in Parkinson's Disease as Assessed by Epworth Sleepiness Scale (ESS)." Sleep Medicine, vol. 4, no. 4, 2003, pp. 339-342, https://doi.org/10.1016/S1389-9457(03)00105-9.