| APA | SPDW. (2012, February 16). In Acronym Geek. Retrieved 23:53, February 16, 2012, from http://www.acronymgeek.com/SPDW |
| MLA | "SPDW." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/SPDW>. |
| MHRA | 'SPDW', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/SPDW> [accessed 16 February 2012] |
| Chicago | "SPDW", http://www.acronymgeek.com/SPDW (accessed February 16, 2012). |
| CBE/CSE | SPDW [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/SPDW. |
| Bluebook | SPDW, http://www.acronymgeek.com/SPDW (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, SPDW, http://www.acronymgeek.com/SPDW (optional description here) (as of Feb. 16, 2012, 23:53). |
| AMA | SPDW. Acronym Geek. February 16, 2012, 23:53. Available at: http://www.acronymgeek.com/SPDW. Accessed February 16, 2012, 23:53. |