Cita APA (7th ed.)
Stirling, J. D., & Hellewell, J. S. E. (1999). Psychopathology. Routledge.
Cita Chicago (17th ed.)
Stirling, John D., i Jonathan S. E. Hellewell. Psychopathology. London ; New York: Routledge, 1999.
Cita MLA (9th ed.)
Stirling, John D., i Jonathan S. E. Hellewell. Psychopathology. Routledge, 1999.
Atenció: Aquestes cites poden no estar 100% correctes.