United States. Army. Corps of Engineers. Civil Works Directorate. Office of Policy. (1985). Major waterways and ports of the United States. Office of Policy.
Chicago Style (17th ed.) CitationUnited States. Army. Corps of Engineers. Civil Works Directorate. Office of Policy. Major Waterways and Ports of the United States. Washington, D.C.: Office of Policy, 1985.
MLA (9th ed.) CitationUnited States. Army. Corps of Engineers. Civil Works Directorate. Office of Policy. Major Waterways and Ports of the United States. Office of Policy, 1985.
Warning: These citations may not always be 100% accurate.