APA

United States, . (2003). Cancer research and prevention: hearing before a subcommittee of the Committee on Appropriations, United States Senate, One Hundred Seventh Congress, second session, special hearing, June 4, 2002, Washington, DC. Washington: U.S. Government Printing Office.

Chicago

United States, . 2003. Cancer research and prevention: hearing before a subcommittee of the Committee on Appropriations, United States Senate, One Hundred Seventh Congress, second session, special hearing, June 4, 2002, Washington, DC. Washington: U.S. Government Printing Office.

Harvard

United States, . (2003). Cancer research and prevention: hearing before a subcommittee of the Committee on Appropriations, United States Senate, One Hundred Seventh Congress, second session, special hearing, June 4, 2002, Washington, DC. Washington: U.S. Government Printing Office.

MLA

United States, . Cancer research and prevention: hearing before a subcommittee of the Committee on Appropriations, United States Senate, One Hundred Seventh Congress, second session, special hearing, June 4, 2002, Washington, DC. Washington: U.S. Government Printing Office. 2003.