APA (7th ed.) Citation

United States. National Transportation Safety Board. (2008). Collapse of I-35W highway bridge Minneapolis, Minnesota, August 1, 2007. National Transportation Safety Board.

Chicago Style (17th ed.) Citation

United States. National Transportation Safety Board. Collapse of I-35W Highway Bridge Minneapolis, Minnesota, August 1, 2007. Washington, D.C.: National Transportation Safety Board, 2008.

MLA (9th ed.) Citation

United States. National Transportation Safety Board. Collapse of I-35W Highway Bridge Minneapolis, Minnesota, August 1, 2007. National Transportation Safety Board, 2008.