APA (7th ed.) Citation

National Research Council (U.S.). Highway Research Board, National Research Council (U.S.). Highway Research Board. Dept. of Economics, Finance and Administration, National Research Council (U.S.). Highway Research Board. Dept. of Urban Transportation Planning, & National Research Council (U.S.). Highway Research Board. Dept. of Soils, Geology and Foundations. (1969). Planning: Conservation of the physical environment ; 5 reports. National Academy of Science - National Research Council.

Chicago Style (17th ed.) Citation

National Research Council (U.S.). Highway Research Board, Finance and Administration National Research Council (U.S.). Highway Research Board. Dept. of Economics, National Research Council (U.S.). Highway Research Board. Dept. of Urban Transportation Planning, and Geology and Foundations National Research Council (U.S.). Highway Research Board. Dept. of Soils. Planning: Conservation of the Physical Environment ; 5 Reports. Washington, D.C: National Academy of Science - National Research Council, 1969.

MLA (9th ed.) Citation

National Research Council (U.S.). Highway Research Board, et al. Planning: Conservation of the Physical Environment ; 5 Reports. National Academy of Science - National Research Council, 1969.