APA

Crocker R., Library of Congress, . (2019). The National Voter Registration Act of 1993: history, implementation, and effects. [Washington, D.C.]: Congressional Research Service.

Chicago

Crocker Royce, Library of Congress, . 2019. The National Voter Registration Act of 1993: history, implementation, and effects. [Washington, D.C.]: Congressional Research Service.

Harvard

Crocker R., Library of Congress, . (2019). The National Voter Registration Act of 1993: history, implementation, and effects. [Washington, D.C.]: Congressional Research Service.

MLA

Crocker Royce, Library of Congress, . The National Voter Registration Act of 1993: history, implementation, and effects. [Washington, D.C.]: Congressional Research Service. 2019.