APA (7e ed.) Bronvermelding
Smith, J. C. (1999). ABC relaxation theory: An evidence-based approach. Springer Pub..
Chicago (17e ed.) Bronvermelding
Smith, Jonathan C. ABC Relaxation Theory: An Evidence-based Approach. New York: Springer Pub., 1999.
MLA (9e ed.) Bronvermelding
Smith, Jonathan C. ABC Relaxation Theory: An Evidence-based Approach. Springer Pub., 1999.
Let op: Deze citaties zijn niet altijd 100% accuraat.