APA-Zitierstil (7. Ausg.)

Edwards, R. V. (1977). Crisis intervention and how it works. Thomas.

Chicago-Zitierstil (17. Ausg.)

Edwards, Romaine V. Crisis Intervention and How It Works. Springfield, Ill: Thomas, 1977.

MLA-Zitierstil (9. Ausg.)

Edwards, Romaine V. Crisis Intervention and How It Works. Thomas, 1977.