APA

United States, Greece & United States. (2016). Defense: agreement between the United States of America and Greece extending Agreement of July 8, 1990, effected by exchange of notes at Athens, May 31 and July 29, 2016. [Washington, D.C.]: United States Department of State.

Chicago

United States, Greece and United States. 2016. Defense: agreement between the United States of America and Greece extending Agreement of July 8, 1990, effected by exchange of notes at Athens, May 31 and July 29, 2016. [Washington, D.C.]: United States Department of State.

Harvard

United States, Greece and United States. (2016). Defense: agreement between the United States of America and Greece extending Agreement of July 8, 1990, effected by exchange of notes at Athens, May 31 and July 29, 2016. [Washington, D.C.]: United States Department of State.

MLA

United States, Greece and United States. Defense: agreement between the United States of America and Greece extending Agreement of July 8, 1990, effected by exchange of notes at Athens, May 31 and July 29, 2016. [Washington, D.C.]: United States Department of State. 2016.