APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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

Warning: These citations may not always be 100% accurate.