APA aipamena

Arends, S., Hofman, M., Kamsma, Y. P., der Veer, E. v., Houtman, P. M., Kallenberg, C. G., . . . Brouwer, E. (2013). Daily physical activity in ankylosing spondylitis: Validity and reliability of the IPAQ and SQUASH and the relation with clinical assessments. BioMed Central.

Chicago Style aipamena

Arends, Suzanne, Marianne Hofman, Yvo PT Kamsma, Eveline van der Veer, Pieternella M. Houtman, Cees GM Kallenberg, Anneke Spoorenberg, and Elisabeth Brouwer. Daily Physical Activity in Ankylosing Spondylitis: Validity and Reliability of the IPAQ and SQUASH and the Relation With Clinical Assessments. BioMed Central, 2013.

MLA aipamena

Arends, Suzanne, et al. Daily Physical Activity in Ankylosing Spondylitis: Validity and Reliability of the IPAQ and SQUASH and the Relation With Clinical Assessments. BioMed Central, 2013.