Greece & United States. Department of State. (2012). Defense: Agreements between the United States of America and Greece Extending Agreement of July 8, 1990, Effected by Exchange of Notes at Athens, April 14 and May 21, 2010; Effected by Exchange of Notes at Athens, August 1 and October 11, 2011. U.S. Dept. of State.
Chicago Style (17th ed.) CitationGreece and United States. Department of State. Defense: Agreements Between the United States of America and Greece Extending Agreement of July 8, 1990, Effected by Exchange of Notes at Athens, April 14 and May 21, 2010; Effected by Exchange of Notes at Athens, August 1 and October 11, 2011. [Washington, D.C.]: U.S. Dept. of State, 2012.
MLA (9th ed.) CitationGreece and United States. Department of State. Defense: Agreements Between the United States of America and Greece Extending Agreement of July 8, 1990, Effected by Exchange of Notes at Athens, April 14 and May 21, 2010; Effected by Exchange of Notes at Athens, August 1 and October 11, 2011. U.S. Dept. of State, 2012.