| APA | SP VOL. (2012, February 10). In Acronym Geek. Retrieved 09:30, February 10, 2012, from http://www.acronymgeek.com/SP VOL |
| MLA | "SP VOL." Acronym Geek. (2012). Acronym Geek. 10 Feb 2012 <http://www.acronymgeek.com/SP VOL>. |
| MHRA | 'SP VOL', Acronym Geek, 10 February 2012, <http://www.acronymgeek.com/SP VOL> [accessed 10 February 2012] |
| Chicago | "SP VOL", http://www.acronymgeek.com/SP VOL (accessed February 10, 2012). |
| CBE/CSE | SP VOL [Internet]. Acronym Geek; 2012 Feb 10 [cited 2012 Feb 10]. Available from: http://www.acronymgeek.com/SP VOL. |
| Bluebook | SP VOL, http://www.acronymgeek.com/SP VOL (last visited February 10, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, SP VOL, http://www.acronymgeek.com/SP VOL (optional description here) (as of Feb. 10, 2012, 09:30). |
| AMA | SP VOL. Acronym Geek. February 10, 2012, 09:30. Available at: http://www.acronymgeek.com/SP VOL. Accessed February 10, 2012, 09:30. |