| APA | YTSI. (2012, February 16). In Acronym Geek. Retrieved 07:09, February 16, 2012, from http://www.acronymgeek.com/YTSI |
| MLA | "YTSI." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/YTSI>. |
| MHRA | 'YTSI', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/YTSI> [accessed 16 February 2012] |
| Chicago | "YTSI", http://www.acronymgeek.com/YTSI (accessed February 16, 2012). |
| CBE/CSE | YTSI [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/YTSI. |
| Bluebook | YTSI, http://www.acronymgeek.com/YTSI (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, YTSI, http://www.acronymgeek.com/YTSI (optional description here) (as of Feb. 16, 2012, 07:09). |
| AMA | YTSI. Acronym Geek. February 16, 2012, 07:09. Available at: http://www.acronymgeek.com/YTSI. Accessed February 16, 2012, 07:09. |