APA (7th ed.) Citation

(1943). Back them up! M. M. Stationery Office.

Chicago Style (17th ed.) Citation

Back Them Up! M. M. Stationery Office, 1943.

MLA (8th ed.) Citation

Back Them Up! M. M. Stationery Office, 1943.

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