APA (7th ed.) Citation

National Research Council (U.S.). Highway Research Board & National Research Council. Highway Research Board. Committee on Subsurface Drainage. (1951). Subsurface drainage: Presented at the Thirtieth Annual Meeting, 1951. Highway Research Board.

Chicago Style (17th ed.) Citation

National Research Council (U.S.). Highway Research Board and National Research Council. Highway Research Board. Committee on Subsurface Drainage. Subsurface Drainage: Presented at the Thirtieth Annual Meeting, 1951. Washington, D.C: Highway Research Board, 1951.

MLA (9th ed.) Citation

National Research Council (U.S.). Highway Research Board and National Research Council. Highway Research Board. Committee on Subsurface Drainage. Subsurface Drainage: Presented at the Thirtieth Annual Meeting, 1951. Highway Research Board, 1951.