| APA | QSOI. (2012, February 15). In Acronym Geek. Retrieved 10:56, February 15, 2012, from http://www.acronymgeek.com/QSOI |
| MLA | "QSOI." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/QSOI>. |
| MHRA | 'QSOI', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/QSOI> [accessed 15 February 2012] |
| Chicago | "QSOI", http://www.acronymgeek.com/QSOI (accessed February 15, 2012). |
| CBE/CSE | QSOI [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/QSOI. |
| Bluebook | QSOI, http://www.acronymgeek.com/QSOI (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, QSOI, http://www.acronymgeek.com/QSOI (optional description here) (as of Feb. 15, 2012, 10:56). |
| AMA | QSOI. Acronym Geek. February 15, 2012, 10:56. Available at: http://www.acronymgeek.com/QSOI. Accessed February 15, 2012, 10:56. |