APA (7th ed.) Citation

Hildreth, S. A., & Ek, C. (2019). Missile defense and NATO's Lisbon Summit ([Library of Congress public edition].). Congressional Research Service.

Chicago Style (17th ed.) Citation

Hildreth, Steven A., and Carl Ek. Missile Defense and NATO's Lisbon Summit. [Library of Congress public edition]. [Washington, D.C.]: Congressional Research Service, 2019.

MLA (9th ed.) Citation

Hildreth, Steven A., and Carl Ek. Missile Defense and NATO's Lisbon Summit. [Library of Congress public edition]. Congressional Research Service, 2019.