| APA | IY. (2012, February 11). In Acronym Geek. Retrieved 21:50, February 11, 2012, from http://www.acronymgeek.com/IY |
| MLA | "IY." Acronym Geek. (2012). Acronym Geek. 11 Feb 2012 <http://www.acronymgeek.com/IY>. |
| MHRA | 'IY', Acronym Geek, 11 February 2012, <http://www.acronymgeek.com/IY> [accessed 11 February 2012] |
| Chicago | "IY", http://www.acronymgeek.com/IY (accessed February 11, 2012). |
| CBE/CSE | IY [Internet]. Acronym Geek; 2012 Feb 11 [cited 2012 Feb 11]. Available from: http://www.acronymgeek.com/IY. |
| Bluebook | IY, http://www.acronymgeek.com/IY (last visited February 11, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, IY, http://www.acronymgeek.com/IY (optional description here) (as of Feb. 11, 2012, 21:50). |
| AMA | IY. Acronym Geek. February 11, 2012, 21:50. Available at: http://www.acronymgeek.com/IY. Accessed February 11, 2012, 21:50. |