Cita APA (7a ed.)

Barlow, D. (2008). Abnormal psychology (4th.). Thomson.

Cita Chicago Style (17a ed.)

Barlow, D. Abnormal Psychology. 4th. Australia: Thomson, 2008.

Cita MLA (9a ed.)

Barlow, D. Abnormal Psychology. 4th. Thomson, 2008.