| APA | IGNU. (2012, February 15). In Acronym Geek. Retrieved 09:53, February 15, 2012, from http://www.acronymgeek.com/IGNU |
| MLA | "IGNU." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/IGNU>. |
| MHRA | 'IGNU', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/IGNU> [accessed 15 February 2012] |
| Chicago | "IGNU", http://www.acronymgeek.com/IGNU (accessed February 15, 2012). |
| CBE/CSE | IGNU [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/IGNU. |
| Bluebook | IGNU, http://www.acronymgeek.com/IGNU (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, IGNU, http://www.acronymgeek.com/IGNU (optional description here) (as of Feb. 15, 2012, 09:53). |
| AMA | IGNU. Acronym Geek. February 15, 2012, 09:53. Available at: http://www.acronymgeek.com/IGNU. Accessed February 15, 2012, 09:53. |