Library of Congress. Congressional Research Service & ProQuest (Firm). (2009). Fifth Summit of the Americas, Port of Spain, Trinidad and Tobago, April 2009: Background, Expectations, and Results. [publisher not identified].
Chicago Style (17th ed.) CitationLibrary of Congress. Congressional Research Service and ProQuest (Firm). Fifth Summit of the Americas, Port of Spain, Trinidad and Tobago, April 2009: Background, Expectations, and Results. [Place of publication not identified]: [publisher not identified], 2009.
MLA (9th ed.) CitationLibrary of Congress. Congressional Research Service and ProQuest (Firm). Fifth Summit of the Americas, Port of Spain, Trinidad and Tobago, April 2009: Background, Expectations, and Results. [publisher not identified], 2009.
Warning: These citations may not always be 100% accurate.