| APA | IVYS. (2012, February 16). In Acronym Geek. Retrieved 22:08, February 16, 2012, from http://www.acronymgeek.com/IVYS |
| MLA | "IVYS." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/IVYS>. |
| MHRA | 'IVYS', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/IVYS> [accessed 16 February 2012] |
| Chicago | "IVYS", http://www.acronymgeek.com/IVYS (accessed February 16, 2012). |
| CBE/CSE | IVYS [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/IVYS. |
| Bluebook | IVYS, http://www.acronymgeek.com/IVYS (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, IVYS, http://www.acronymgeek.com/IVYS (optional description here) (as of Feb. 16, 2012, 22:08). |
| AMA | IVYS. Acronym Geek. February 16, 2012, 22:08. Available at: http://www.acronymgeek.com/IVYS. Accessed February 16, 2012, 22:08. |