APA (7th ed.) Citation

Thoman, R. S. (1956). Free ports and foreign-trade zones. Cornell Maritime Press.

Chicago Style (17th ed.) Citation

Thoman, Richard S. Free Ports and Foreign-trade Zones. Cambridge: Cornell Maritime Press, 1956.

MLA (9th ed.) Citation

Thoman, Richard S. Free Ports and Foreign-trade Zones. Cornell Maritime Press, 1956.