APA (7th ed.) Citation

National Research Council (U.S.). Highway Research Board, National Research Council (U.S.). Highway Research Board. Meeting, & National Research Council (U.S.). Committee on Substructures, Retaining Walls and Foundations. (1970). Pile foundations: 12 reports. Highway Research Board.

Chicago Style (17th ed.) Citation

National Research Council (U.S.). Highway Research Board, National Research Council (U.S.). Highway Research Board. Meeting, and Retaining Walls and Foundations National Research Council (U.S.). Committee on Substructures. Pile Foundations: 12 Reports. Washington: Highway Research Board, 1970.

MLA (9th ed.) Citation

National Research Council (U.S.). Highway Research Board, et al. Pile Foundations: 12 Reports. Highway Research Board, 1970.