APA aipamena

Nicassio, P. M., Ormseth, S. R., Custodio, M. K., Olmstead, R., Weisman, M. H., & Irwin, M. R. (2013). Confirmatory Factor Analysis of the Pittsburgh Sleep Quality Index in Rheumatoid Arthritis Patients. Behav Sleep Med.

Chicago Style aipamena

Nicassio, Perry M., Sarah R. Ormseth, Mara K. Custodio, Richard Olmstead, Michael H. Weisman, and Michael R. Irwin. "Confirmatory Factor Analysis of the Pittsburgh Sleep Quality Index in Rheumatoid Arthritis Patients." Behav Sleep Med 2013.

MLA aipamena

Nicassio, Perry M., et al. "Confirmatory Factor Analysis of the Pittsburgh Sleep Quality Index in Rheumatoid Arthritis Patients." Behav Sleep Med 2013.