Cita APA (7th ed.)

ebrary, Inc, & Madsen, M. H. (2011). Rheumatoid arthritis: Prevalence, risk factors, and health effects. Nova Science Publishers.

Cita Chicago (17th ed.)

ebrary, Inc, i Michael H. Madsen. Rheumatoid Arthritis: Prevalence, Risk Factors, and Health Effects. Hauppauge, NY: Nova Science Publishers, 2011.

Cita MLA (9th ed.)

ebrary, Inc, i Michael H. Madsen. Rheumatoid Arthritis: Prevalence, Risk Factors, and Health Effects. Nova Science Publishers, 2011.