| APA | EO-IR. (2012, February 12). In Acronym Geek. Retrieved 16:32, February 12, 2012, from http://www.acronymgeek.com/EO-IR |
| MLA | "EO-IR." Acronym Geek. (2012). Acronym Geek. 12 Feb 2012 <http://www.acronymgeek.com/EO-IR>. |
| MHRA | 'EO-IR', Acronym Geek, 12 February 2012, <http://www.acronymgeek.com/EO-IR> [accessed 12 February 2012] |
| Chicago | "EO-IR", http://www.acronymgeek.com/EO-IR (accessed February 12, 2012). |
| CBE/CSE | EO-IR [Internet]. Acronym Geek; 2012 Feb 12 [cited 2012 Feb 12]. Available from: http://www.acronymgeek.com/EO-IR. |
| Bluebook | EO-IR, http://www.acronymgeek.com/EO-IR (last visited February 12, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, EO-IR, http://www.acronymgeek.com/EO-IR (optional description here) (as of Feb. 12, 2012, 16:32). |
| AMA | EO-IR. Acronym Geek. February 12, 2012, 16:32. Available at: http://www.acronymgeek.com/EO-IR. Accessed February 12, 2012, 16:32. |