| APA | QFD. (2012, February 14). In Acronym Geek. Retrieved 02:07, February 14, 2012, from http://www.acronymgeek.com/QFD |
| MLA | "QFD." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/QFD>. |
| MHRA | 'QFD', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/QFD> [accessed 14 February 2012] |
| Chicago | "QFD", http://www.acronymgeek.com/QFD (accessed February 14, 2012). |
| CBE/CSE | QFD [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/QFD. |
| Bluebook | QFD, http://www.acronymgeek.com/QFD (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, QFD, http://www.acronymgeek.com/QFD (optional description here) (as of Feb. 14, 2012, 02:07). |
| AMA | QFD. Acronym Geek. February 14, 2012, 02:07. Available at: http://www.acronymgeek.com/QFD. Accessed February 14, 2012, 02:07. |