(1990). Flood insurance study (Revised December 15, 1990.). Federal Emergency Management Agency.
Chicago Style (17th ed.) CitationFlood Insurance Study. Revised December 15, 1990. [Washington, D.C.]: Federal Emergency Management Agency, 1990.
MLA (9th ed.) CitationFlood Insurance Study. Revised December 15, 1990. Federal Emergency Management Agency, 1990.
Warning: These citations may not always be 100% accurate.