APA (7th ed.) Citation

(1939). Christmas mailing time: Packages for our armed forces overseas must be mailed between Sept. 15 - Oct. 15 .. [U.S. Government Printing Office].

Chicago Style (17th ed.) Citation

Christmas Mailing Time: Packages for Our Armed Forces Overseas Must Be Mailed Between Sept. 15 - Oct. 15 .. [Washington, D.C.]: [U.S. Government Printing Office], 1939.

MLA (8th ed.) Citation

Christmas Mailing Time: Packages for Our Armed Forces Overseas Must Be Mailed Between Sept. 15 - Oct. 15 .. [U.S. Government Printing Office], 1939.

Warning: These citations may not always be 100% accurate.