APA

Bjelopera J. P., Library of Congress, . (2019). Public mass shootings in the United States: selected implications for federal public health and safety policy. [Washington, D.C.]: Congressional Research Service.

Chicago

Bjelopera Jerome P, Library of Congress, . 2019. Public mass shootings in the United States: selected implications for federal public health and safety policy. [Washington, D.C.]: Congressional Research Service.

Harvard

Bjelopera J. P., Library of Congress, . (2019). Public mass shootings in the United States: selected implications for federal public health and safety policy. [Washington, D.C.]: Congressional Research Service.

MLA

Bjelopera Jerome P, Library of Congress, . Public mass shootings in the United States: selected implications for federal public health and safety policy. [Washington, D.C.]: Congressional Research Service. 2019.