Tidal current charts, Boston Harbor.
APA Citation
U.S. Coast and Geodetic Survey. (1949). Tidal current charts, Boston Harbor. [3d ed. Washington, D.C.: Department of Commerce.
MLA Citation
U.S. Coast and Geodetic Survey. Tidal Current Charts, Boston Harbor. [3d ed. Washington, D.C.: Department of Commerce, 1949.
Warning: These citations may not always be complete (especially for serials).