(1931). [Form 1012, Expense vouchers, supplementary instructions for Narcotics Bureau]. [publisher not identified].
Chicago Style (17th ed.) Citation[Form 1012, Expense Vouchers, Supplementary Instructions for Narcotics Bureau]. Washington, D.C.: [publisher not identified], 1931.
MLA (9th ed.) Citation[Form 1012, Expense Vouchers, Supplementary Instructions for Narcotics Bureau]. [publisher not identified], 1931.
Warning: These citations may not always be 100% accurate.