Cita APA (7a ed.)

Swezey, R. L., & Adams, J. (1999). Fibromyalgia: A risk factor for osteoporosis. [s.n.].

Cita Chicago Style (17a ed.)

Swezey, Robert L., y John Adams. Fibromyalgia: A Risk Factor for Osteoporosis. [S.l.]: [s.n.], 1999.

Cita MLA (9a ed.)

Swezey, Robert L., y John Adams. Fibromyalgia: A Risk Factor for Osteoporosis. [s.n.], 1999.