Elliott, G., Clark, L. A., & Symmons, R. M. (1979). Test of a quarter-scale reinforced concrete voided slab bridge. Cement and Concrete Association.
Chicago Style (17th ed.) CitationElliott, G., L. A. Clark, and R. M. Symmons. Test of a Quarter-scale Reinforced Concrete Voided Slab Bridge. Slough, [England]: Cement and Concrete Association, 1979.
MLA (9th ed.) CitationElliott, G., et al. Test of a Quarter-scale Reinforced Concrete Voided Slab Bridge. Cement and Concrete Association, 1979.
Warning: These citations may not always be 100% accurate.