Cita APA (7a ed.)

Wessely, S., & Powell, R. (1989). Fatigue syndromes: A comparison of chronic postviral fatigue with neuromuscular and affective disorders. [s.n.].

Cita Chicago Style (17a ed.)

Wessely, Simon, y R. Powell. Fatigue Syndromes: A Comparison of Chronic Postviral Fatigue with Neuromuscular and Affective Disorders. [S.l.]: [s.n.], 1989.

Cita MLA (9a ed.)

Wessely, Simon, y R. Powell. Fatigue Syndromes: A Comparison of Chronic Postviral Fatigue with Neuromuscular and Affective Disorders. [s.n.], 1989.