APA (7th ed.) Citation

(2018). Gun control: 3D-printed AR-15 lower receivers. Congressional Research Service.

Chicago Style (17th ed.) Citation

Gun Control: 3D-printed AR-15 Lower Receivers. [Washington, District of Columbia]: Congressional Research Service, 2018.

MLA (9th ed.) Citation

Gun Control: 3D-printed AR-15 Lower Receivers. Congressional Research Service, 2018.

Warning: These citations may not always be 100% accurate.