United States. Congress. Office of Technology Assessment. Advanced Vehicle/Highway Systems and Urban Traffic Problems. UNT Digital Library. http://digital.library.unt.edu/ark:/67531/metadc39643/. Accessed December 4, 2013.
Note: Inconsistencies in capitalization and punctuation within the Digital Library may affect this citation. Before using this citation in formal writing, please consult your preferred style manual. More information.