APA (7th ed.) Citation

National Research Council (U.S.). Highway Research Board, National Research Council (U.S.). Highway Research Board. Committee on Culverts and Culvert Pipe, & National Research Council (U.S.). Highway Research Board. Committee on Metals in Highway Structures. (1969). Pipes and culverts: 5 reports. National Academy of Science - National Research Council.

Chicago Style (17th ed.) Citation

National Research Council (U.S.). Highway Research Board, National Research Council (U.S.). Highway Research Board. Committee on Culverts and Culvert Pipe, and National Research Council (U.S.). Highway Research Board. Committee on Metals in Highway Structures. Pipes and Culverts: 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. Pipes and Culverts: 5 Reports. National Academy of Science - National Research Council, 1969.