| APA | SP HT. (2012, February 12). In Acronym Geek. Retrieved 12:10, February 12, 2012, from http://www.acronymgeek.com/SP HT |
| MLA | "SP HT." Acronym Geek. (2012). Acronym Geek. 12 Feb 2012 <http://www.acronymgeek.com/SP HT>. |
| MHRA | 'SP HT', Acronym Geek, 12 February 2012, <http://www.acronymgeek.com/SP HT> [accessed 12 February 2012] |
| Chicago | "SP HT", http://www.acronymgeek.com/SP HT (accessed February 12, 2012). |
| CBE/CSE | SP HT [Internet]. Acronym Geek; 2012 Feb 12 [cited 2012 Feb 12]. Available from: http://www.acronymgeek.com/SP HT. |
| Bluebook | SP HT, http://www.acronymgeek.com/SP HT (last visited February 12, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, SP HT, http://www.acronymgeek.com/SP HT (optional description here) (as of Feb. 12, 2012, 12:10). |
| AMA | SP HT. Acronym Geek. February 12, 2012, 12:10. Available at: http://www.acronymgeek.com/SP HT. Accessed February 12, 2012, 12:10. |