De jure belli ac pacis libri tres,
by Hugo Grotius, Volume two. The Translation, book I, by Francis W. Kelsey with the collaboration of Arthur E.R. Boak, Henry A. Sanders [and others] with an introduction by James Brown Scott.
APA Citation
Grotius, H. (1925). De jure belli ac pacis libri tres. Oxford: Clarendon Press.
MLA Citation
Grotius, Hugo, 1583-1645. De Jure Belli Ac Pacis Libri Tres. Oxford: Clarendon Press, 1925.
Warning: These citations may not always be complete (especially for serials).