| APA | SPEJ. (2012, February 15). In Acronym Geek. Retrieved 07:06, February 15, 2012, from http://www.acronymgeek.com/SPEJ |
| MLA | "SPEJ." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/SPEJ>. |
| MHRA | 'SPEJ', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/SPEJ> [accessed 15 February 2012] |
| Chicago | "SPEJ", http://www.acronymgeek.com/SPEJ (accessed February 15, 2012). |
| CBE/CSE | SPEJ [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/SPEJ. |
| Bluebook | SPEJ, http://www.acronymgeek.com/SPEJ (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, SPEJ, http://www.acronymgeek.com/SPEJ (optional description here) (as of Feb. 15, 2012, 07:06). |
| AMA | SPEJ. Acronym Geek. February 15, 2012, 07:06. Available at: http://www.acronymgeek.com/SPEJ. Accessed February 15, 2012, 07:06. |