Cita APA (7a ed.)

Riley, M. S. (1990). Aerobic work capacity in patients with chronic fatigue syndrome. [s.n.].

Cita Chicago Style (17a ed.)

Riley, Marshall S. Aerobic Work Capacity in Patients with Chronic Fatigue Syndrome. [S.l.]: [s.n.], 1990.

Cita MLA (9a ed.)

Riley, Marshall S. Aerobic Work Capacity in Patients with Chronic Fatigue Syndrome. [s.n.], 1990.