United States. Federal Supply Service. (1918). General schedule of supplies for fiscal year 1919, 2nd supplement to class 7: Packing boxes, for period from Jan. 1 to June 30, 1919, both inclusive. GPO.
Chicago Style (17th ed.) CitationUnited States. Federal Supply Service. General Schedule of Supplies for Fiscal Year 1919, 2nd Supplement to Class 7: Packing Boxes, for Period from Jan. 1 to June 30, 1919, Both Inclusive. [Washington]: GPO, 1918.
MLA (9th ed.) CitationUnited States. Federal Supply Service. General Schedule of Supplies for Fiscal Year 1919, 2nd Supplement to Class 7: Packing Boxes, for Period from Jan. 1 to June 30, 1919, Both Inclusive. GPO, 1918.
Warning: These citations may not always be 100% accurate.