APA (7th ed.) Citation

Pierce, P. C. (2005). Covered bridge manual. U.S. Department of Transportation, Federal Highway Administration, Research, Development, and Technology, Turner-Fairbank Highway Research Center.

Chicago Style (17th ed.) Citation

Pierce, Phillip C. Covered Bridge Manual. McLean, VA: U.S. Department of Transportation, Federal Highway Administration, Research, Development, and Technology, Turner-Fairbank Highway Research Center, 2005.

MLA (9th ed.) Citation

Pierce, Phillip C. Covered Bridge Manual. U.S. Department of Transportation, Federal Highway Administration, Research, Development, and Technology, Turner-Fairbank Highway Research Center, 2005.