| APA | OXY. (2012, February 11). In Acronym Geek. Retrieved 22:29, February 11, 2012, from http://www.acronymgeek.com/OXY |
| MLA | "OXY." Acronym Geek. (2012). Acronym Geek. 11 Feb 2012 <http://www.acronymgeek.com/OXY>. |
| MHRA | 'OXY', Acronym Geek, 11 February 2012, <http://www.acronymgeek.com/OXY> [accessed 11 February 2012] |
| Chicago | "OXY", http://www.acronymgeek.com/OXY (accessed February 11, 2012). |
| CBE/CSE | OXY [Internet]. Acronym Geek; 2012 Feb 11 [cited 2012 Feb 11]. Available from: http://www.acronymgeek.com/OXY. |
| Bluebook | OXY, http://www.acronymgeek.com/OXY (last visited February 11, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, OXY, http://www.acronymgeek.com/OXY (optional description here) (as of Feb. 11, 2012, 22:29). |
| AMA | OXY. Acronym Geek. February 11, 2012, 22:29. Available at: http://www.acronymgeek.com/OXY. Accessed February 11, 2012, 22:29. |