APA

United States, . (2016). American Discovery Trail Act of 2016: report (to accompany S. 2608). [Washington, D.C.]: [U.S. Government Publishing Office].

Chicago

United States, . 2016. American Discovery Trail Act of 2016: report (to accompany S. 2608). [Washington, D.C.]: [U.S. Government Publishing Office].

Harvard

United States, . (2016). American Discovery Trail Act of 2016: report (to accompany S. 2608). [Washington, D.C.]: [U.S. Government Publishing Office].

MLA

United States, . American Discovery Trail Act of 2016: report (to accompany S. 2608). [Washington, D.C.]: [U.S. Government Publishing Office]. 2016.