APA Style

Hayes, S, C. et al (2001). Relational frame theory : a post-Skinnerian account of human language and cognition . New York: Kluwer Academic/Plenum Publishers.

MLA Style

Hayes, Steven, C.. et al. "Relational frame theory : a post-Skinnerian account of human language and cognition". New York: Kluwer Academic/Plenum Publishers, 2001. E-Book.