APA (7th ed.) Citation

United States. Dept. of Homeland Security, United States. Government Accountability Office, ebrary, Inc, & Merganthal, P. B. (2009). National emergency responses. Nova Science Publishers.

Chicago Style (17th ed.) Citation

United States. Dept. of Homeland Security, United States. Government Accountability Office, Inc ebrary, and Paul B. Merganthal. National Emergency Responses. New York: Nova Science Publishers, 2009.

MLA (9th ed.) Citation

United States. Dept. of Homeland Security, et al. National Emergency Responses. Nova Science Publishers, 2009.