United States. War Department. (1920). [Chemical Warfare School, Lakehurst Proving Ground, Lakehurst, N.J.; amendments to regulations]. GPO.
Chicago Style (17th ed.) CitationUnited States. War Department. [Chemical Warfare School, Lakehurst Proving Ground, Lakehurst, N.J.; Amendments to Regulations]. [Washington]: GPO, 1920.
MLA (9th ed.) CitationUnited States. War Department. [Chemical Warfare School, Lakehurst Proving Ground, Lakehurst, N.J.; Amendments to Regulations]. GPO, 1920.
Warning: These citations may not always be 100% accurate.