One of Paul's fellow prisoners who was associated with him in sending greetings to the Church at Colossae (Col. 4: 14); but according to 2 Tim. 4: 10 Demas later deserted Paul and went (home?) to Thessalonica.
Citation styles are based on the Chicago Manual of Style, 15th Ed., and the MLA Style Manual, 2nd Ed..
"Demas." In A Dictionary of the Bible. Ed. W. R. F. Browning. Oxford Biblical Studies Online. Nov 30, 2015. <http://www.oxfordbiblicalcstudies.com/article/opr/t94/e509>.
"Demas." In A Dictionary of the Bible. , edited by W. R. F. Browning. Oxford Biblical Studies Online, http://www.oxfordbiblicalcstudies.com/article/opr/t94/e509 (accessed Nov 30, 2015).