APA

United States, Qatar & United States. (2018). Defense: agreement between the United States of America and Qatar, effected by exchange of notes at Doha, March 13, 2017, February 14, 2018 and July 26, 2018. [Washington, D.C.]: United States Department of State.

Chicago

United States, Qatar and United States. 2018. Defense: agreement between the United States of America and Qatar, effected by exchange of notes at Doha, March 13, 2017, February 14, 2018 and July 26, 2018. [Washington, D.C.]: United States Department of State.

Harvard

United States, Qatar and United States. (2018). Defense: agreement between the United States of America and Qatar, effected by exchange of notes at Doha, March 13, 2017, February 14, 2018 and July 26, 2018. [Washington, D.C.]: United States Department of State.

MLA

United States, Qatar and United States. Defense: agreement between the United States of America and Qatar, effected by exchange of notes at Doha, March 13, 2017, February 14, 2018 and July 26, 2018. [Washington, D.C.]: United States Department of State. 2018.