Cita APA (7a ed.)

Dudley, J. R., Ahlgrim-Delzell, L., & Calhoun, M. L. (1999). Diverse diagnostic and behavioural patterns amongst people with a dual diagnosis. [s.n.].

Cita Chicago Style (17a ed.)

Dudley, J. R., L. Ahlgrim-Delzell, y M. L. Calhoun. Diverse Diagnostic and Behavioural Patterns Amongst People with a Dual Diagnosis. [S.l.]: [s.n.], 1999.

Cita MLA (9a ed.)

Dudley, J. R., et al. Diverse Diagnostic and Behavioural Patterns Amongst People with a Dual Diagnosis. [s.n.], 1999.