Barker, C., Pistrang, N., & Elliott, R. (2002). Research methods in clinical psychology an introduction for students and practitioners / Chris Barker and Nancy Pistrang [and] Robert Elliot: An introduction for students and practitioners (2nd ed.). Wiley.
Chicago Style (17th ed.) CitationBarker, Chris, Nancy Pistrang, and Robert Elliott. Research Methods in Clinical Psychology an Introduction for Students and Practitioners / Chris Barker and Nancy Pistrang [and] Robert Elliot: An Introduction for Students and Practitioners. 2nd ed. New York: Wiley, 2002.
MLA (9th ed.) CitationBarker, Chris, et al. Research Methods in Clinical Psychology an Introduction for Students and Practitioners / Chris Barker and Nancy Pistrang [and] Robert Elliot: An Introduction for Students and Practitioners. 2nd ed. Wiley, 2002.