Chellis, R. D. (1961). Pile Foundations. MC GRAW HILL.
Chicago Style (17th ed.) CitationChellis, Robert D. Pile Foundations. MC GRAW HILL, 1961.
MLA (8th ed.) CitationChellis, Robert D. Pile Foundations. MC GRAW HILL, 1961.
Warning: These citations may not always be 100% accurate.