APA

Clark D. M., Fairburn Christopher G & Gelder Michael G. (1997). The science and practice of cognitive behaviour therapy. New York: Oxford University Press.

Chicago

Clark David M, Fairburn Christopher G and Gelder Michael G. 1997. The science and practice of cognitive behaviour therapy. New York: Oxford University Press.

Harvard

Clark D. M., Fairburn Christopher G and Gelder Michael G. (1997). The science and practice of cognitive behaviour therapy. New York: Oxford University Press.

MLA

Clark David M, Fairburn Christopher G and Gelder Michael G. The science and practice of cognitive behaviour therapy. New York: Oxford University Press. 1997.