Ramos, J. (2000). The burden of arthritis. Mr. & Ms..
Cita Chicago (17th ed.)Ramos, Joshua. "The Burden of Arthritis." Mr. & Ms. 2000.
Cita MLA (9th ed.)Ramos, Joshua. "The Burden of Arthritis." Mr. & Ms., 2000.
Atenció: Aquestes cites poden no estar 100% correctes.