As for the Rhodians, they continued their strenuous resistance in the war until Demetrius, who wanted a pretext for abandoning it, was induced to make terms with them by a deputation of Athenians, on condition that the Rhodians should be allies of Antigonus and Demetrius, except in a war against Ptolemy.
Edition :
Plutarch. Plutarch's Lives. with an English Translation by. Bernadotte Perrin. Cambridge, MA. Harvard University Press. London. William Heinemann Ltd. 1920. 9.
Remark :
date: The date is taken from the New Pauly: https://referenceworks.brillonline.com/entries/brill-s-new-pauly/rhodos-e1022710?s.num=0&s.f.s2_parent=s.f.book.brill-s-new-pauly&s.q=rhodos