Poppen, R. (1988). Behavioral relaxation training and assessment. Pergamon.
Chicago Style (17th ed.) CitationPoppen, Roger. Behavioral Relaxation Training and Assessment. New York: Pergamon, 1988.
MLA (9th ed.) CitationPoppen, Roger. Behavioral Relaxation Training and Assessment. Pergamon, 1988.
Warning: These citations may not always be 100% accurate.