APA (7th ed.) Citation

Barbee, N. N., Collins, M. S., & King, J. A. (1979). An explanation of the Superintendent of Documents classification system (Slightly revised September 1979.). Library Division, Library and Statutory Distribution Service, Superintendent of Documents, United States Government Printing Office.

Chicago Style (17th ed.) Citation

Barbee, Norman N., Mae S. Collins, and Joseph A. King. An Explanation of the Superintendent of Documents Classification System. Slightly revised September 1979. Washington, D.C.: Library Division, Library and Statutory Distribution Service, Superintendent of Documents, United States Government Printing Office, 1979.

MLA (9th ed.) Citation

Barbee, Norman N., et al. An Explanation of the Superintendent of Documents Classification System. Slightly revised September 1979. Library Division, Library and Statutory Distribution Service, Superintendent of Documents, United States Government Printing Office, 1979.