APA Style

Stirling, John D, Jonathan S.E. Hellewell. (1999). Psychopathology . USA & Canada: Routledge Modular Psychology.

Chicago Style

Stirling, John D, Jonathan S.E. Hellewell. Psychopathology. USA & Canada: Routledge Modular Psychology, 1999. Textbook.

MLA Style

Stirling, John D, Jonathan S.E. Hellewell. Psychopathology. USA & Canada: Routledge Modular Psychology, 1999. Textbook.

Turabian Style

Stirling, John D, Jonathan S.E. Hellewell. Psychopathology. USA & Canada: Routledge Modular Psychology, 1999. Textbook.