Library of Congress. Congressional Research Service & ProQuest (Firm). (2009). Geospatial Information and Geographic Information Systems (GIS): Current Issues and Future Challenges. [publisher not identified].
Chicago Style (17th ed.) CitationLibrary of Congress. Congressional Research Service and ProQuest (Firm). Geospatial Information and Geographic Information Systems (GIS): Current Issues and Future Challenges. [Place of publication not identified]: [publisher not identified], 2009.
MLA (9th ed.) CitationLibrary of Congress. Congressional Research Service and ProQuest (Firm). Geospatial Information and Geographic Information Systems (GIS): Current Issues and Future Challenges. [publisher not identified], 2009.
Warning: These citations may not always be 100% accurate.