| APA | SPDJ. (2012, February 14). In Acronym Geek. Retrieved 22:50, February 14, 2012, from http://www.acronymgeek.com/SPDJ |
| MLA | "SPDJ." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/SPDJ>. |
| MHRA | 'SPDJ', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/SPDJ> [accessed 14 February 2012] |
| Chicago | "SPDJ", http://www.acronymgeek.com/SPDJ (accessed February 14, 2012). |
| CBE/CSE | SPDJ [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/SPDJ. |
| Bluebook | SPDJ, http://www.acronymgeek.com/SPDJ (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, SPDJ, http://www.acronymgeek.com/SPDJ (optional description here) (as of Feb. 14, 2012, 22:50). |
| AMA | SPDJ. Acronym Geek. February 14, 2012, 22:50. Available at: http://www.acronymgeek.com/SPDJ. Accessed February 14, 2012, 22:50. |