| APA | ISTS. (2012, February 14). In Acronym Geek. Retrieved 13:41, February 14, 2012, from http://www.acronymgeek.com/ISTS |
| MLA | "ISTS." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/ISTS>. |
| MHRA | 'ISTS', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/ISTS> [accessed 14 February 2012] |
| Chicago | "ISTS", http://www.acronymgeek.com/ISTS (accessed February 14, 2012). |
| CBE/CSE | ISTS [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/ISTS. |
| Bluebook | ISTS, http://www.acronymgeek.com/ISTS (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ISTS, http://www.acronymgeek.com/ISTS (optional description here) (as of Feb. 14, 2012, 13:41). |
| AMA | ISTS. Acronym Geek. February 14, 2012, 13:41. Available at: http://www.acronymgeek.com/ISTS. Accessed February 14, 2012, 13:41. |