Cita APA (7a ed.)

Ax Ba, S., Gregg, V. H., & Jones, D. (1997). Chronic fatigue syndrome: Sufferers' evaluation of medical support. [s.n.].

Cita Chicago Style (17a ed.)

Ax Ba, Susanne, Vernon H. Gregg, y David Jones. Chronic Fatigue Syndrome: Sufferers' Evaluation of Medical Support. [S.l.]: [s.n.], 1997.

Cita MLA (9a ed.)

Ax Ba, Susanne, et al. Chronic Fatigue Syndrome: Sufferers' Evaluation of Medical Support. [s.n.], 1997.