APA (7th ed.) Citation

Duckworth, L. (1916). The principles of marine law (3rd ed., rev., re-arranged, and enl.). Sir I. Pitman & Sons.

Chicago Style (17th ed.) Citation

Duckworth, Lawrence. The Principles of Marine Law. 3rd ed., rev., re-arranged, and enl. London: Sir I. Pitman & Sons, 1916.

MLA (9th ed.) Citation

Duckworth, Lawrence. The Principles of Marine Law. 3rd ed., rev., re-arranged, and enl. Sir I. Pitman & Sons, 1916.