United States. War Department. (1929). St. Marys Falls Canal, Mich: Statistical report of lake commerce passing through canals at Sault St. Marie, Mich. and Ontario, during season of 1929, with supplementary report of commerce passing through Detroit River. GPO.
Chicago Style (17th ed.) CitationUnited States. War Department. St. Marys Falls Canal, Mich: Statistical Report of Lake Commerce Passing Through Canals at Sault St. Marie, Mich. and Ontario, During Season of 1929, with Supplementary Report of Commerce Passing Through Detroit River. [Washington]: GPO, 1929.
MLA (9th ed.) CitationUnited States. War Department. St. Marys Falls Canal, Mich: Statistical Report of Lake Commerce Passing Through Canals at Sault St. Marie, Mich. and Ontario, During Season of 1929, with Supplementary Report of Commerce Passing Through Detroit River. GPO, 1929.