APA (7th ed.) Citation

(1989). Flood insurance study (Revised July 17, 1989.). Federal Emergency Management Agency.

Chicago Style (17th ed.) Citation

Flood Insurance Study. Revised July 17, 1989. [Washington, D.C.]: Federal Emergency Management Agency, 1989.

MLA (9th ed.) Citation

Flood Insurance Study. Revised July 17, 1989. Federal Emergency Management Agency, 1989.