Cita APA (7a ed.)

Ketterman, T. (1978). Police crisis intervention: A selected bibliography. National Criminal Justice Reference Service.

Cita Chicago Style (17a ed.)

Ketterman, Thomas. Police Crisis Intervention: A Selected Bibliography. Rockville, Md: National Criminal Justice Reference Service, 1978.

Cita MLA (9a ed.)

Ketterman, Thomas. Police Crisis Intervention: A Selected Bibliography. National Criminal Justice Reference Service, 1978.