| APA | OEIC. (2012, February 16). In Acronym Geek. Retrieved 20:57, February 16, 2012, from http://www.acronymgeek.com/OEIC |
| MLA | "OEIC." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/OEIC>. |
| MHRA | 'OEIC', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/OEIC> [accessed 16 February 2012] |
| Chicago | "OEIC", http://www.acronymgeek.com/OEIC (accessed February 16, 2012). |
| CBE/CSE | OEIC [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/OEIC. |
| Bluebook | OEIC, http://www.acronymgeek.com/OEIC (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, OEIC, http://www.acronymgeek.com/OEIC (optional description here) (as of Feb. 16, 2012, 20:57). |
| AMA | OEIC. Acronym Geek. February 16, 2012, 20:57. Available at: http://www.acronymgeek.com/OEIC. Accessed February 16, 2012, 20:57. |