Walen, S. R., DiGiuseppe, R., & Wessler, R. L. (1980). A practitioner's guide to rational-emotive therapy / (by) Susan R. Walen, Raymond DiGiuseppe, Richard L. Wessler. Oxford University Press.
Chicago Style (17th ed.) CitationWalen, Susan R., Raymond DiGiuseppe, and Richard L. Wessler. A Practitioner's Guide to Rational-emotive Therapy / (by) Susan R. Walen, Raymond DiGiuseppe, Richard L. Wessler. New York ; Oxford: Oxford University Press, 1980.
MLA (9th ed.) CitationWalen, Susan R., et al. A Practitioner's Guide to Rational-emotive Therapy / (by) Susan R. Walen, Raymond DiGiuseppe, Richard L. Wessler. Oxford University Press, 1980.
Warning: These citations may not always be 100% accurate.