APA

United States, . (2018). Border security: analysis of vulnerabilities identified by frontline agents. [Washington, D.C.]: United States Senate, Committee on Homeland Security and Governmental Affairs.

Chicago

United States, . 2018. Border security: analysis of vulnerabilities identified by frontline agents. [Washington, D.C.]: United States Senate, Committee on Homeland Security and Governmental Affairs.

Harvard

United States, . (2018). Border security: analysis of vulnerabilities identified by frontline agents. [Washington, D.C.]: United States Senate, Committee on Homeland Security and Governmental Affairs.

MLA

United States, . Border security: analysis of vulnerabilities identified by frontline agents. [Washington, D.C.]: United States Senate, Committee on Homeland Security and Governmental Affairs. 2018.