APA

United States, . (2018). National Volcano Early Warning and Monitoring System Act: report (to accompany H.R. 4475) (including cost estimate of the Congressional Budget Office). [Washington, D.C.]: [U.S. Government Publishing Office].

Chicago

United States, . 2018. National Volcano Early Warning and Monitoring System Act: report (to accompany H.R. 4475) (including cost estimate of the Congressional Budget Office). [Washington, D.C.]: [U.S. Government Publishing Office].

Harvard

United States, . (2018). National Volcano Early Warning and Monitoring System Act: report (to accompany H.R. 4475) (including cost estimate of the Congressional Budget Office). [Washington, D.C.]: [U.S. Government Publishing Office].

MLA

United States, . National Volcano Early Warning and Monitoring System Act: report (to accompany H.R. 4475) (including cost estimate of the Congressional Budget Office). [Washington, D.C.]: [U.S. Government Publishing Office]. 2018.