| APA | SPDQ. (2012, February 17). In Acronym Geek. Retrieved 00:53, February 17, 2012, from http://www.acronymgeek.com/SPDQ |
| MLA | "SPDQ." Acronym Geek. (2012). Acronym Geek. 17 Feb 2012 <http://www.acronymgeek.com/SPDQ>. |
| MHRA | 'SPDQ', Acronym Geek, 17 February 2012, <http://www.acronymgeek.com/SPDQ> [accessed 17 February 2012] |
| Chicago | "SPDQ", http://www.acronymgeek.com/SPDQ (accessed February 17, 2012). |
| CBE/CSE | SPDQ [Internet]. Acronym Geek; 2012 Feb 17 [cited 2012 Feb 17]. Available from: http://www.acronymgeek.com/SPDQ. |
| Bluebook | SPDQ, http://www.acronymgeek.com/SPDQ (last visited February 17, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, SPDQ, http://www.acronymgeek.com/SPDQ (optional description here) (as of Feb. 17, 2012, 00:53). |
| AMA | SPDQ. Acronym Geek. February 17, 2012, 00:53. Available at: http://www.acronymgeek.com/SPDQ. Accessed February 17, 2012, 00:53. |