APA (7th ed.) Citation

United States. Office of Civil Defense. (1968). Radiological monitoring for instructors: Student workbook (Revised Apr 68.). Department of Defense, Office of Civil Defense.

Chicago Style (17th ed.) Citation

United States. Office of Civil Defense. Radiological Monitoring for Instructors: Student Workbook. Revised Apr 68. Washington, D.C.: Department of Defense, Office of Civil Defense, 1968.

MLA (9th ed.) Citation

United States. Office of Civil Defense. Radiological Monitoring for Instructors: Student Workbook. Revised Apr 68. Department of Defense, Office of Civil Defense, 1968.