APA استشهاد

Seymour, J., Spruit, M., Hopkinson, N., Sathyapala, S., Man, W., Jackson, A., . . . Wouters, E. (2009). The Prevalence of Quadriceps Weakness in COPD and the Relationship with Disease Severity.

استشهاد بنمط شيكاغو

Seymour, JM, et al. The Prevalence of Quadriceps Weakness in COPD and the Relationship With Disease Severity. 2009.

MLA استشهاد

Seymour, JM, et al. The Prevalence of Quadriceps Weakness in COPD and the Relationship With Disease Severity. 2009.

تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.