Kallen, H. M. (1972). Toward a philosophy of the seas. The University Pr. of Virginia.
Cita Chicago (17th ed.)Kallen, Horace M. Toward a Philosophy of the Seas. Virginia: The University Pr. of Virginia, 1972.
Cita MLA (9th ed.)Kallen, Horace M. Toward a Philosophy of the Seas. The University Pr. of Virginia, 1972.
Atenció: Aquestes cites poden no estar 100% correctes.