Cite
An interacting cognitive subsystems model of relapse and the course of psychosis.
MLA
Gumley, Andrew, et al. “An Interacting Cognitive Subsystems Model of Relapse and the Course of Psychosis.” Clinical Psychology & Psychotherapy, vol. 6, no. 4, Oct. 1999, pp. 261–78. EBSCOhost, https://doi.org/10.1002/(SICI)1099-0879(199910)6:4<261::AID-CPP211>3.0.CO;2-C.
APA
Gumley, A., White, C. A., & Power, K. (1999). An interacting cognitive subsystems model of relapse and the course of psychosis. Clinical Psychology & Psychotherapy, 6(4), 261–278. https://doi.org/10.1002/(SICI)1099-0879(199910)6:4<261::AID-CPP211>3.0.CO;2-C
Chicago
Gumley, Andrew, Craig A. White, and Kevin Power. 1999. “An Interacting Cognitive Subsystems Model of Relapse and the Course of Psychosis.” Clinical Psychology & Psychotherapy 6 (4): 261–78. doi:10.1002/(SICI)1099-0879(199910)6:4<261::AID-CPP211>3.0.CO;2-C.