APA

United States, United States, . (2019). Progress made, but additional efforts are needed to secure the election infrastructure. Washington, DC: Department of Homeland Security, Office of Inspector General.

Chicago

United States, United States, . 2019. Progress made, but additional efforts are needed to secure the election infrastructure. Washington, DC: Department of Homeland Security, Office of Inspector General.

Harvard

United States, United States, . (2019). Progress made, but additional efforts are needed to secure the election infrastructure. Washington, DC: Department of Homeland Security, Office of Inspector General.

MLA

United States, United States, . Progress made, but additional efforts are needed to secure the election infrastructure. Washington, DC: Department of Homeland Security, Office of Inspector General. 2019.