| APA | QQQQ. (2012, February 11). In Acronym Geek. Retrieved 20:30, February 11, 2012, from http://www.acronymgeek.com/QQQQ |
| MLA | "QQQQ." Acronym Geek. (2012). Acronym Geek. 11 Feb 2012 <http://www.acronymgeek.com/QQQQ>. |
| MHRA | 'QQQQ', Acronym Geek, 11 February 2012, <http://www.acronymgeek.com/QQQQ> [accessed 11 February 2012] |
| Chicago | "QQQQ", http://www.acronymgeek.com/QQQQ (accessed February 11, 2012). |
| CBE/CSE | QQQQ [Internet]. Acronym Geek; 2012 Feb 11 [cited 2012 Feb 11]. Available from: http://www.acronymgeek.com/QQQQ. |
| Bluebook | QQQQ, http://www.acronymgeek.com/QQQQ (last visited February 11, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, QQQQ, http://www.acronymgeek.com/QQQQ (optional description here) (as of Feb. 11, 2012, 20:30). |
| AMA | QQQQ. Acronym Geek. February 11, 2012, 20:30. Available at: http://www.acronymgeek.com/QQQQ. Accessed February 11, 2012, 20:30. |