APA (7th ed.) Citation

Bulgaria & United States. Department of State. (2011). Weapons: Proliferation : agreement between the United States of America and Bulgaria; signed at Washington, June 17, 2008. U.S. Dept. of State.

Chicago Style (17th ed.) Citation

Bulgaria and United States. Department of State. Weapons: Proliferation : Agreement Between the United States of America and Bulgaria; Signed at Washington, June 17, 2008. [Washington, D.C.]: U.S. Dept. of State, 2011.

MLA (9th ed.) Citation

Bulgaria and United States. Department of State. Weapons: Proliferation : Agreement Between the United States of America and Bulgaria; Signed at Washington, June 17, 2008. U.S. Dept. of State, 2011.