| APA | SPQR. (2012, February 9). In Acronym Geek. Retrieved 10:40, February 9, 2012, from http://www.acronymgeek.com/SPQR |
| MLA | "SPQR." Acronym Geek. (2012). Acronym Geek. 9 Feb 2012 <http://www.acronymgeek.com/SPQR>. |
| MHRA | 'SPQR', Acronym Geek, 9 February 2012, <http://www.acronymgeek.com/SPQR> [accessed 9 February 2012] |
| Chicago | "SPQR", http://www.acronymgeek.com/SPQR (accessed February 9, 2012). |
| CBE/CSE | SPQR [Internet]. Acronym Geek; 2012 Feb 9 [cited 2012 Feb 9]. Available from: http://www.acronymgeek.com/SPQR. |
| Bluebook | SPQR, http://www.acronymgeek.com/SPQR (last visited February 9, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, SPQR, http://www.acronymgeek.com/SPQR (optional description here) (as of Feb. 9, 2012, 10:40). |
| AMA | SPQR. Acronym Geek. February 9, 2012, 10:40. Available at: http://www.acronymgeek.com/SPQR. Accessed February 9, 2012, 10:40. |