Knaus, W. J. (1975). Rational emotive education: A manual for elementary school teachers (2. print.). Institute for Rational Living.
Chicago-Zitierstil (17. Ausg.)Knaus, William J. Rational Emotive Education: A Manual for Elementary School Teachers. 2. print. New York, N.Y: Institute for Rational Living, 1975.
MLA-Zitierstil (9. Ausg.)Knaus, William J. Rational Emotive Education: A Manual for Elementary School Teachers. 2. print. Institute for Rational Living, 1975.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.