APA

United States, . (2018). Yellowstone Gateway Protection Act: report (to accompany S. 941) (including cost estimate of the Congressional Budget Office). [Washington, D.C.]: [U.S. Government Publishing Office].

Chicago

United States, . 2018. Yellowstone Gateway Protection Act: report (to accompany S. 941) (including cost estimate of the Congressional Budget Office). [Washington, D.C.]: [U.S. Government Publishing Office].

Harvard

United States, . (2018). Yellowstone Gateway Protection Act: report (to accompany S. 941) (including cost estimate of the Congressional Budget Office). [Washington, D.C.]: [U.S. Government Publishing Office].

MLA

United States, . Yellowstone Gateway Protection Act: report (to accompany S. 941) (including cost estimate of the Congressional Budget Office). [Washington, D.C.]: [U.S. Government Publishing Office]. 2018.