Cita APA (7th ed.)

Grotius, H., & Feenstra, R. (2009). Hugo Grotius, Mare Liberum, 1609-2009. Brill.

Cita Chicago (17th ed.)

Grotius, Hugo, i Robert Feenstra. Hugo Grotius, Mare Liberum, 1609-2009. Leiden [Netherlands]: Brill, 2009.

Cita MLA (9th ed.)

Grotius, Hugo, i Robert Feenstra. Hugo Grotius, Mare Liberum, 1609-2009. Brill, 2009.