Gardner, W. S., Greer, D. M., & Woodward, R. J. (1972). Drilled pier foundations. McGraw-Hill.
Chicago Style (17th ed.) CitationGardner, William S., David M. Greer, and Richard J. Woodward. Drilled Pier Foundations. New York: McGraw-Hill, 1972.
MLA (9th ed.) CitationGardner, William S., et al. Drilled Pier Foundations. McGraw-Hill, 1972.
Warning: These citations may not always be 100% accurate.