| APA | IION. (2012, February 16). In Acronym Geek. Retrieved 06:33, February 16, 2012, from http://www.acronymgeek.com/IION |
| MLA | "IION." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/IION>. |
| MHRA | 'IION', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/IION> [accessed 16 February 2012] |
| Chicago | "IION", http://www.acronymgeek.com/IION (accessed February 16, 2012). |
| CBE/CSE | IION [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/IION. |
| Bluebook | IION, http://www.acronymgeek.com/IION (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, IION, http://www.acronymgeek.com/IION (optional description here) (as of Feb. 16, 2012, 06:33). |
| AMA | IION. Acronym Geek. February 16, 2012, 06:33. Available at: http://www.acronymgeek.com/IION. Accessed February 16, 2012, 06:33. |