United States. Congress. House. Committee on Transportation and Infrastructure. Subcommittee on Railroads, Pipelines, and Hazardous Materials. (2012). Silvertip Pipeline oil spill in Yellowstone County, Montana: Hearing before the Subcommittee on Railroads, Pipelines, and Hazardous Materials of the Committee on Transportation and Infrastructure, House of Representatives, One Hundred Twelfth Congress, first session, July 14, 2011. ProQuest.
Chicago Style (17th ed.) CitationUnited States. Congress. House. Committee on Transportation and Infrastructure. Subcommittee on Railroads, Pipelines, and Hazardous Materials. Silvertip Pipeline Oil Spill in Yellowstone County, Montana: Hearing Before the Subcommittee on Railroads, Pipelines, and Hazardous Materials of the Committee on Transportation and Infrastructure, House of Representatives, One Hundred Twelfth Congress, First Session, July 14, 2011. Bethesda, Md.: ProQuest, 2012.
MLA (9th ed.) CitationUnited States. Congress. House. Committee on Transportation and Infrastructure. Subcommittee on Railroads, Pipelines, and Hazardous Materials. Silvertip Pipeline Oil Spill in Yellowstone County, Montana: Hearing Before the Subcommittee on Railroads, Pipelines, and Hazardous Materials of the Committee on Transportation and Infrastructure, House of Representatives, One Hundred Twelfth Congress, First Session, July 14, 2011. ProQuest, 2012.