| APA | QTUM. (2012, February 16). In Acronym Geek. Retrieved 05:07, February 16, 2012, from http://www.acronymgeek.com/QTUM |
| MLA | "QTUM." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/QTUM>. |
| MHRA | 'QTUM', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/QTUM> [accessed 16 February 2012] |
| Chicago | "QTUM", http://www.acronymgeek.com/QTUM (accessed February 16, 2012). |
| CBE/CSE | QTUM [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/QTUM. |
| Bluebook | QTUM, http://www.acronymgeek.com/QTUM (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, QTUM, http://www.acronymgeek.com/QTUM (optional description here) (as of Feb. 16, 2012, 05:07). |
| AMA | QTUM. Acronym Geek. February 16, 2012, 05:07. Available at: http://www.acronymgeek.com/QTUM. Accessed February 16, 2012, 05:07. |