APA (7th ed.) Citation

Perris, C., Blackburn, I. M., & Perris, H. (1988). Cognitive Psychotherapy: Theory and Practice. Springer Berlin Heidelberg.

Chicago Style (17th ed.) Citation

Perris, Carlo, Ivy M. Blackburn, and Hjördis Perris. Cognitive Psychotherapy: Theory and Practice. Berlin, Heidelberg: Springer Berlin Heidelberg, 1988.

MLA (9th ed.) Citation

Perris, Carlo, et al. Cognitive Psychotherapy: Theory and Practice. Springer Berlin Heidelberg, 1988.