Distances between United States ports.
APA Citation
U.S. Coast and Geodetic Survey. (1961). Distances between United States ports. Washington: U. S. Govt. Print. Off..
MLA Citation
U.S. Coast and Geodetic Survey. Distances Between United States Ports. Washington: U. S. Govt. Print. Off., 1961.
Warning: These citations may not always be complete (especially for serials).