(1931). [Morphine sulphate; request for information on appearance of illegal narcotic]. [publisher not identified].
Chicago Style (17th ed.) Citation[Morphine Sulphate; Request for Information on Appearance of Illegal Narcotic]. Washington, D.C.: [publisher not identified], 1931.
MLA (9th ed.) Citation[Morphine Sulphate; Request for Information on Appearance of Illegal Narcotic]. [publisher not identified], 1931.
Warning: These citations may not always be 100% accurate.