Grace, P. J. (1989). Investigation of breakwater stability at Presque Isle Peninsula, Erie, Pennsylvania. [U.S. Army Engineer Waterways Experiment Station] ; [available from National Technical Information Service].
Chicago Style (17th ed.) CitationGrace, Peter J. Investigation of Breakwater Stability at Presque Isle Peninsula, Erie, Pennsylvania. [Vicksburg, Miss.] : [Springfield, Va.]: [U.S. Army Engineer Waterways Experiment Station] ; [available from National Technical Information Service], 1989.
MLA (9th ed.) CitationGrace, Peter J. Investigation of Breakwater Stability at Presque Isle Peninsula, Erie, Pennsylvania. [U.S. Army Engineer Waterways Experiment Station] ; [available from National Technical Information Service], 1989.
Warning: These citations may not always be 100% accurate.