United States. Army. Signal Corps. (1789). [Instructions to tornado reporters, Signal Service, U.S. Army, on examining tornado's path, with questions to aid in data collection]. [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Army. Signal Corps. [Instructions to Tornado Reporters, Signal Service, U.S. Army, on Examining Tornado's Path, with Questions to Aid in Data Collection]. [Washington]: [publisher not identified], 1789.
MLA (9th ed.) CitationUnited States. Army. Signal Corps. [Instructions to Tornado Reporters, Signal Service, U.S. Army, on Examining Tornado's Path, with Questions to Aid in Data Collection]. [publisher not identified], 1789.
Warning: These citations may not always be 100% accurate.