United States. Department of Commerce. (1941). The St. Lawrence survey: Part 7, Summary Report to the St. Lawrence survey including national defense aspects of the St. Lawrence project. [s.n.].
Chicago Style (17th ed.) CitationUnited States. Department of Commerce. The St. Lawrence Survey: Part 7, Summary Report to the St. Lawrence Survey Including National Defense Aspects of the St. Lawrence Project. [Washington]: [s.n.], 1941.
MLA (9th ed.) CitationUnited States. Department of Commerce. The St. Lawrence Survey: Part 7, Summary Report to the St. Lawrence Survey Including National Defense Aspects of the St. Lawrence Project. [s.n.], 1941.
Warning: These citations may not always be 100% accurate.