Cita APA (7a ed.)

Lipowski, Z. J. (1990). Chronic idiopathic pain syndrome. [s.n.].

Cita Chicago Style (17a ed.)

Lipowski, Z. J. Chronic Idiopathic Pain Syndrome. [S.l.]: [s.n.], 1990.

Cita MLA (9a ed.)

Lipowski, Z. J. Chronic Idiopathic Pain Syndrome. [s.n.], 1990.