APA

Edwards R. V., . (1977). Crisis intervention and how it works. Springfield, Ill: C. C. Thomas.

Chicago

Edwards Romaine V, . 1977. Crisis intervention and how it works. Springfield, Ill: C. C. Thomas.

Harvard

Edwards R. V., . (1977). Crisis intervention and how it works. Springfield, Ill: C. C. Thomas.

MLA

Edwards Romaine V, . Crisis intervention and how it works. Springfield, Ill: C. C. Thomas. 1977.