| APA | IYYO. (2012, February 14). In Acronym Geek. Retrieved 12:38, February 14, 2012, from http://www.acronymgeek.com/IYYO |
| MLA | "IYYO." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/IYYO>. |
| MHRA | 'IYYO', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/IYYO> [accessed 14 February 2012] |
| Chicago | "IYYO", http://www.acronymgeek.com/IYYO (accessed February 14, 2012). |
| CBE/CSE | IYYO [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/IYYO. |
| Bluebook | IYYO, http://www.acronymgeek.com/IYYO (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, IYYO, http://www.acronymgeek.com/IYYO (optional description here) (as of Feb. 14, 2012, 12:38). |
| AMA | IYYO. Acronym Geek. February 14, 2012, 12:38. Available at: http://www.acronymgeek.com/IYYO. Accessed February 14, 2012, 12:38. |