APA

United States, . (2018). Efforts on marine debris in the oceans and Great Lakes: hearing before the Subcommittee on Oceans, Atmosphere, Fisheries, and Coast Guard of the Committee on Commerce, Science, and Transportation, United States Senate, One Hundred Fifteenth Congress, first session, July 25, 2017. Washington: U.S. Government Publishing Office.

Chicago

United States, . 2018. Efforts on marine debris in the oceans and Great Lakes: hearing before the Subcommittee on Oceans, Atmosphere, Fisheries, and Coast Guard of the Committee on Commerce, Science, and Transportation, United States Senate, One Hundred Fifteenth Congress, first session, July 25, 2017. Washington: U.S. Government Publishing Office.

Harvard

United States, . (2018). Efforts on marine debris in the oceans and Great Lakes: hearing before the Subcommittee on Oceans, Atmosphere, Fisheries, and Coast Guard of the Committee on Commerce, Science, and Transportation, United States Senate, One Hundred Fifteenth Congress, first session, July 25, 2017. Washington: U.S. Government Publishing Office.

MLA

United States, . Efforts on marine debris in the oceans and Great Lakes: hearing before the Subcommittee on Oceans, Atmosphere, Fisheries, and Coast Guard of the Committee on Commerce, Science, and Transportation, United States Senate, One Hundred Fifteenth Congress, first session, July 25, 2017. Washington: U.S. Government Publishing Office. 2018.