| APA | EYST. (2012, February 15). In Acronym Geek. Retrieved 16:36, February 15, 2012, from http://www.acronymgeek.com/EYST |
| MLA | "EYST." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/EYST>. |
| MHRA | 'EYST', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/EYST> [accessed 15 February 2012] |
| Chicago | "EYST", http://www.acronymgeek.com/EYST (accessed February 15, 2012). |
| CBE/CSE | EYST [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/EYST. |
| Bluebook | EYST, http://www.acronymgeek.com/EYST (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, EYST, http://www.acronymgeek.com/EYST (optional description here) (as of Feb. 15, 2012, 16:36). |
| AMA | EYST. Acronym Geek. February 15, 2012, 16:36. Available at: http://www.acronymgeek.com/EYST. Accessed February 15, 2012, 16:36. |