APA

Sargent J. F., Library of Congress, . (2018). Government expenditures on defense research and development by the United States and other OECD countries: fact sheet. [Washington, D.C.]: Congressional Research Service.

Chicago

Sargent John F, Library of Congress, . 2018. Government expenditures on defense research and development by the United States and other OECD countries: fact sheet. [Washington, D.C.]: Congressional Research Service.

Harvard

Sargent J. F., Library of Congress, . (2018). Government expenditures on defense research and development by the United States and other OECD countries: fact sheet. [Washington, D.C.]: Congressional Research Service.

MLA

Sargent John F, Library of Congress, . Government expenditures on defense research and development by the United States and other OECD countries: fact sheet. [Washington, D.C.]: Congressional Research Service. 2018.