America's ports :
gateways to global trade.

APA Citation

American Association of Port Authorities. (1998). America's ports: gateways to global trade. [Alexandria, Va.]: American Association of Port Authorities.

MLA Citation

American Association of Port Authorities. America's Ports: Gateways to Global Trade. [Alexandria, Va.]: American Association of Port Authorities, 1998.

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