APA

Leahy R. L., . (2017). Cognitive therapy techniques. New York: The Guilford Press.

Chicago

Leahy Robert L, . 2017. Cognitive therapy techniques. New York: The Guilford Press.

Harvard

Leahy R. L., . (2017). Cognitive therapy techniques. New York: The Guilford Press.

MLA

Leahy Robert L, . Cognitive therapy techniques. New York: The Guilford Press. 2017.