Library of Congress. Congressional Research Service & ProQuest (Firm). (2007). Emergency Communications Safety Net: Integrating 911 and Other Services. [publisher not identified].
Chicago Style (17th ed.) CitationLibrary of Congress. Congressional Research Service and ProQuest (Firm). Emergency Communications Safety Net: Integrating 911 and Other Services. [Place of publication not identified]: [publisher not identified], 2007.
MLA (9th ed.) CitationLibrary of Congress. Congressional Research Service and ProQuest (Firm). Emergency Communications Safety Net: Integrating 911 and Other Services. [publisher not identified], 2007.
Warning: These citations may not always be 100% accurate.