APA

Luther L., Library of Congress, . (2020). The National Environmental Policy Act (NEPA): background and implementation. [Washington, D.C.]: Congressional Research Service.

Chicago

Luther Linda, Library of Congress, . 2020. The National Environmental Policy Act (NEPA): background and implementation. [Washington, D.C.]: Congressional Research Service.

Harvard

Luther L., Library of Congress, . (2020). The National Environmental Policy Act (NEPA): background and implementation. [Washington, D.C.]: Congressional Research Service.

MLA

Luther Linda, Library of Congress, . The National Environmental Policy Act (NEPA): background and implementation. [Washington, D.C.]: Congressional Research Service. 2020.