Port security :
a national planning guide.

APA Citation

United States. Department of Transportation. (1997). Port security: a national planning guide. [Washington, D.C.]: U.S. Dept. of Transportation.

MLA Citation

United States. Department of Transportation. Port Security: a National Planning Guide. [Washington, D.C.]: U.S. Dept. of Transportation, 1997.

Warning: These citations may not always be complete (especially for serials).