| APA | SKN. (2012, February 14). In Acronym Geek. Retrieved 10:20, February 14, 2012, from http://www.acronymgeek.com/SKN |
| MLA | "SKN." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/SKN>. |
| MHRA | 'SKN', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/SKN> [accessed 14 February 2012] |
| Chicago | "SKN", http://www.acronymgeek.com/SKN (accessed February 14, 2012). |
| CBE/CSE | SKN [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/SKN. |
| Bluebook | SKN, http://www.acronymgeek.com/SKN (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, SKN, http://www.acronymgeek.com/SKN (optional description here) (as of Feb. 14, 2012, 10:20). |
| AMA | SKN. Acronym Geek. February 14, 2012, 10:20. Available at: http://www.acronymgeek.com/SKN. Accessed February 14, 2012, 10:20. |