Cita APA (7a ed.)

Lewis, S., & Haller, R. G. (1991). Physiologic measurement of exercise and fatigue with special reference to chronic fatigue syndrome. [s.n.].

Cita Chicago Style (17a ed.)

Lewis, Steven, y Ronald G. Haller. Physiologic Measurement of Exercise and Fatigue with Special Reference to Chronic Fatigue Syndrome. [S.l.]: [s.n.], 1991.

Cita MLA (9a ed.)

Lewis, Steven, y Ronald G. Haller. Physiologic Measurement of Exercise and Fatigue with Special Reference to Chronic Fatigue Syndrome. [s.n.], 1991.