Ward, D. L., & Ahrens, J. P. (1993). Use of a rubble berm for reducing runup, overtopping, and damage on a 1V to 2H riprap slope: Experimental model investigation. [U.S. Army Engineer Waterways Experiment Station].
Chicago Style (17th ed.) CitationWard, Donald L., and John P. Ahrens. Use of a Rubble Berm for Reducing Runup, Overtopping, and Damage on a 1V to 2H Riprap Slope: Experimental Model Investigation. [Vicksburg, Miss.]: [U.S. Army Engineer Waterways Experiment Station], 1993.
MLA (9th ed.) CitationWard, Donald L., and John P. Ahrens. Use of a Rubble Berm for Reducing Runup, Overtopping, and Damage on a 1V to 2H Riprap Slope: Experimental Model Investigation. [U.S. Army Engineer Waterways Experiment Station], 1993.
Warning: These citations may not always be 100% accurate.