Lua APA (7ú heag.)
Grotius, H., Hakluyt, R., Welwood, W., & Armitage, D. (2004). The free sea. Liberty Fund.
Lua i Stíl Chicago (17ú heag.)
Grotius, Hugo, Richard Hakluyt, William Welwood, agus David Armitage. The Free Sea. Indianapolis, Ind.: Liberty Fund, 2004.
Lua MLA (9ú heag.)
Grotius, Hugo, et al. The Free Sea. Liberty Fund, 2004.
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