APA (7th ed.) Citation

(1993). Flood insurance study (Revised: September 15, 1993.). Federal Emergency Management Agency.

Chicago Style (17th ed.) Citation

Flood Insurance Study. Revised: September 15, 1993. [Washington, D.C.]: Federal Emergency Management Agency, 1993.

MLA (9th ed.) Citation

Flood Insurance Study. Revised: September 15, 1993. Federal Emergency Management Agency, 1993.