| APA | NILL. (2012, February 14). In Acronym Geek. Retrieved 12:58, February 14, 2012, from http://www.acronymgeek.com/NILL |
| MLA | "NILL." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/NILL>. |
| MHRA | 'NILL', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/NILL> [accessed 14 February 2012] |
| Chicago | "NILL", http://www.acronymgeek.com/NILL (accessed February 14, 2012). |
| CBE/CSE | NILL [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/NILL. |
| Bluebook | NILL, http://www.acronymgeek.com/NILL (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, NILL, http://www.acronymgeek.com/NILL (optional description here) (as of Feb. 14, 2012, 12:58). |
| AMA | NILL. Acronym Geek. February 14, 2012, 12:58. Available at: http://www.acronymgeek.com/NILL. Accessed February 14, 2012, 12:58. |