The most usual type of OT sacrifice (Lev. 1), when blood of an animal was poured on the altar by a high priest (Lev. 3: 5). The purpose was to win the favour of God.
Citation for offering, burnt
Citation styles are based on the Chicago Manual of Style, 15th Ed., and the MLA Style Manual, 2nd Ed..
MLA
"offering, burnt." In A Dictionary of the Bible. Ed. W. R. F. Browning. Oxford Biblical Studies Online. May 23, 2013. <http://www.oxfordbiblicalcstudies.com/article/opr/t94/e1360>.
Chicago
"offering, burnt." In A Dictionary of the Bible. , edited by W. R. F. Browning. Oxford Biblical Studies Online, http://www.oxfordbiblicalcstudies.com/article/opr/t94/e1360 (accessed May 23, 2013).