(1931). [Case numbers and file symbols for Narcotics Bureau violation reports; instructions]. [publisher not identified].
Chicago Style (17th ed.) Citation[Case Numbers and File Symbols for Narcotics Bureau Violation Reports; Instructions]. Washington, D.C.: [publisher not identified], 1931.
MLA (9th ed.) Citation[Case Numbers and File Symbols for Narcotics Bureau Violation Reports; Instructions]. [publisher not identified], 1931.
Warning: These citations may not always be 100% accurate.