| APA | QR. (2012, February 9). In Acronym Geek. Retrieved 18:08, February 9, 2012, from http://www.acronymgeek.com/QR |
| MLA | "QR." Acronym Geek. (2012). Acronym Geek. 9 Feb 2012 <http://www.acronymgeek.com/QR>. |
| MHRA | 'QR', Acronym Geek, 9 February 2012, <http://www.acronymgeek.com/QR> [accessed 9 February 2012] |
| Chicago | "QR", http://www.acronymgeek.com/QR (accessed February 9, 2012). |
| CBE/CSE | QR [Internet]. Acronym Geek; 2012 Feb 9 [cited 2012 Feb 9]. Available from: http://www.acronymgeek.com/QR. |
| Bluebook | QR, http://www.acronymgeek.com/QR (last visited February 9, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, QR, http://www.acronymgeek.com/QR (optional description here) (as of Feb. 9, 2012, 18:08). |
| AMA | QR. Acronym Geek. February 9, 2012, 18:08. Available at: http://www.acronymgeek.com/QR. Accessed February 9, 2012, 18:08. |