Cita APA (7a ed.)

Stirling, J. D., & Hellewell, J. S. E. (1999). Psychopathology. Routledge.

Cita Chicago Style (17a ed.)

Stirling, John D., y Jonathan S. E. Hellewell. Psychopathology. London ; New York: Routledge, 1999.

Cita MLA (9a ed.)

Stirling, John D., y Jonathan S. E. Hellewell. Psychopathology. Routledge, 1999.