APA (7th ed.) Citation

Poppen, R. (1988). Behavioral relaxation training and assessment (1. ed.). Pergamon Press.

Chicago Style (17th ed.) Citation

Poppen, Roger. Behavioral Relaxation Training and Assessment. 1. ed. New York, NY [u.a.]: Pergamon Press, 1988.

MLA (9th ed.) Citation

Poppen, Roger. Behavioral Relaxation Training and Assessment. 1. ed. Pergamon Press, 1988.