| APA | SPQ. (2012, February 14). In Acronym Geek. Retrieved 08:03, February 14, 2012, from http://www.acronymgeek.com/SPQ |
| MLA | "SPQ." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/SPQ>. |
| MHRA | 'SPQ', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/SPQ> [accessed 14 February 2012] |
| Chicago | "SPQ", http://www.acronymgeek.com/SPQ (accessed February 14, 2012). |
| CBE/CSE | SPQ [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/SPQ. |
| Bluebook | SPQ, http://www.acronymgeek.com/SPQ (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, SPQ, http://www.acronymgeek.com/SPQ (optional description here) (as of Feb. 14, 2012, 08:03). |
| AMA | SPQ. Acronym Geek. February 14, 2012, 08:03. Available at: http://www.acronymgeek.com/SPQ. Accessed February 14, 2012, 08:03. |