APA (7th ed.) Citation

(1987). Flood insurance study ([Revised] January 2, 1987.). Federal Emergency Management Agency.

Chicago Style (17th ed.) Citation

Flood Insurance Study. [Revised] January 2, 1987. [Washington, D.C.]: Federal Emergency Management Agency, 1987.

MLA (9th ed.) Citation

Flood Insurance Study. [Revised] January 2, 1987. Federal Emergency Management Agency, 1987.