| APA | SPEG. (2012, February 16). In Acronym Geek. Retrieved 19:30, February 16, 2012, from http://www.acronymgeek.com/SPEG |
| MLA | "SPEG." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/SPEG>. |
| MHRA | 'SPEG', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/SPEG> [accessed 16 February 2012] |
| Chicago | "SPEG", http://www.acronymgeek.com/SPEG (accessed February 16, 2012). |
| CBE/CSE | SPEG [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/SPEG. |
| Bluebook | SPEG, http://www.acronymgeek.com/SPEG (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, SPEG, http://www.acronymgeek.com/SPEG (optional description here) (as of Feb. 16, 2012, 19:30). |
| AMA | SPEG. Acronym Geek. February 16, 2012, 19:30. Available at: http://www.acronymgeek.com/SPEG. Accessed February 16, 2012, 19:30. |