Allen, C., Averso, M., Hargraves, C., & McNeil, S. (2015). Guide for the preservation of highway tunnel systems. Transportation Research Board.
Chicago Style (17th ed.) CitationAllen, Chester, Martha Averso, Carrie Hargraves, and Susan McNeil. Guide for the Preservation of Highway Tunnel Systems. Washington, D.C.: Transportation Research Board, 2015.
MLA (9th ed.) CitationAllen, Chester, et al. Guide for the Preservation of Highway Tunnel Systems. Transportation Research Board, 2015.
Warning: These citations may not always be 100% accurate.