APA (7th ed.) Citation

Valko, P. O., Bassetti, C. L., Bloch, K. E., Held, U., & Baumann, C. R. (2008). Validation of the fatigue severity scale in a Swiss cohort. Sleep (New York, N.Y.), 31(11), 1601. https://doi.org/10.1093/sleep/31.11.1601

Chicago Style (17th ed.) Citation

Valko, Philipp O., Claudio L. Bassetti, Konrad E. Bloch, Ulrike Held, and Christian R. Baumann. "Validation of the Fatigue Severity Scale in a Swiss Cohort." Sleep (New York, N.Y.) 31, no. 11 (2008): 1601. https://doi.org/10.1093/sleep/31.11.1601.

MLA (9th ed.) Citation

Valko, Philipp O., et al. "Validation of the Fatigue Severity Scale in a Swiss Cohort." Sleep (New York, N.Y.), vol. 31, no. 11, 2008, p. 1601, https://doi.org/10.1093/sleep/31.11.1601.