| APA | GNEI. (2012, February 15). In Acronym Geek. Retrieved 07:19, February 15, 2012, from http://www.acronymgeek.com/GNEI |
| MLA | "GNEI." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/GNEI>. |
| MHRA | 'GNEI', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/GNEI> [accessed 15 February 2012] |
| Chicago | "GNEI", http://www.acronymgeek.com/GNEI (accessed February 15, 2012). |
| CBE/CSE | GNEI [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/GNEI. |
| Bluebook | GNEI, http://www.acronymgeek.com/GNEI (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, GNEI, http://www.acronymgeek.com/GNEI (optional description here) (as of Feb. 15, 2012, 07:19). |
| AMA | GNEI. Acronym Geek. February 15, 2012, 07:19. Available at: http://www.acronymgeek.com/GNEI. Accessed February 15, 2012, 07:19. |