| APA | QSN. (2012, February 15). In Acronym Geek. Retrieved 03:52, February 15, 2012, from http://www.acronymgeek.com/QSN |
| MLA | "QSN." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/QSN>. |
| MHRA | 'QSN', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/QSN> [accessed 15 February 2012] |
| Chicago | "QSN", http://www.acronymgeek.com/QSN (accessed February 15, 2012). |
| CBE/CSE | QSN [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/QSN. |
| Bluebook | QSN, http://www.acronymgeek.com/QSN (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, QSN, http://www.acronymgeek.com/QSN (optional description here) (as of Feb. 15, 2012, 03:52). |
| AMA | QSN. Acronym Geek. February 15, 2012, 03:52. Available at: http://www.acronymgeek.com/QSN. Accessed February 15, 2012, 03:52. |