Library of Congress. Congressional Research Service & Cole, L. M. (1990). National transportation policy alternatives: Environmental issues : proceedings of a CRS congressional seminar. Congressional Research Service, Library of Congress.
Chicago Style (17th ed.) CitationLibrary of Congress. Congressional Research Service and Leon Monroe Cole. National Transportation Policy Alternatives: Environmental Issues : Proceedings of a CRS Congressional Seminar. [Washington, D.C.]: Congressional Research Service, Library of Congress, 1990.
MLA (9th ed.) CitationLibrary of Congress. Congressional Research Service and Leon Monroe Cole. National Transportation Policy Alternatives: Environmental Issues : Proceedings of a CRS Congressional Seminar. Congressional Research Service, Library of Congress, 1990.