APA

Murrill B. J., Library of Congress, . (2018). Presidential authority over trade: imposing tariffs and duties. [Washington, D.C.]: Congressional Research Service.

Chicago

Murrill Brandon J, Library of Congress, . 2018. Presidential authority over trade: imposing tariffs and duties. [Washington, D.C.]: Congressional Research Service.

Harvard

Murrill B. J., Library of Congress, . (2018). Presidential authority over trade: imposing tariffs and duties. [Washington, D.C.]: Congressional Research Service.

MLA

Murrill Brandon J, Library of Congress, . Presidential authority over trade: imposing tariffs and duties. [Washington, D.C.]: Congressional Research Service. 2018.