(1931). [Course on Constitution and law for Narcotics Bureau agents; announcement]. [publisher not identified].
Chicago Style (17th ed.) Citation[Course on Constitution and Law for Narcotics Bureau Agents; Announcement]. Washington, D.C.: [publisher not identified], 1931.
MLA (9th ed.) Citation[Course on Constitution and Law for Narcotics Bureau Agents; Announcement]. [publisher not identified], 1931.
Warning: These citations may not always be 100% accurate.