| APA | IGNP. (2012, February 16). In Acronym Geek. Retrieved 22:11, February 16, 2012, from http://www.acronymgeek.com/IGNP |
| MLA | "IGNP." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/IGNP>. |
| MHRA | 'IGNP', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/IGNP> [accessed 16 February 2012] |
| Chicago | "IGNP", http://www.acronymgeek.com/IGNP (accessed February 16, 2012). |
| CBE/CSE | IGNP [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/IGNP. |
| Bluebook | IGNP, http://www.acronymgeek.com/IGNP (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, IGNP, http://www.acronymgeek.com/IGNP (optional description here) (as of Feb. 16, 2012, 22:11). |
| AMA | IGNP. Acronym Geek. February 16, 2012, 22:11. Available at: http://www.acronymgeek.com/IGNP. Accessed February 16, 2012, 22:11. |