APA (7th ed.) Citation

Gardiner, R., & Christensen, A. E. (1996). The earliest ships: The evolution of boats into ships. Conway Maritime Press.

Chicago Style (17th ed.) Citation

Gardiner, Robert, and Arne Emil Christensen. The Earliest Ships: The Evolution of Boats into Ships. London: Conway Maritime Press, 1996.

MLA (9th ed.) Citation

Gardiner, Robert, and Arne Emil Christensen. The Earliest Ships: The Evolution of Boats into Ships. Conway Maritime Press, 1996.