| APA | 1Y. (2012, February 11). In Acronym Geek. Retrieved 21:53, February 11, 2012, from http://www.acronymgeek.com/1Y |
| MLA | "1Y." Acronym Geek. (2012). Acronym Geek. 11 Feb 2012 <http://www.acronymgeek.com/1Y>. |
| MHRA | '1Y', Acronym Geek, 11 February 2012, <http://www.acronymgeek.com/1Y> [accessed 11 February 2012] |
| Chicago | "1Y", http://www.acronymgeek.com/1Y (accessed February 11, 2012). |
| CBE/CSE | 1Y [Internet]. Acronym Geek; 2012 Feb 11 [cited 2012 Feb 11]. Available from: http://www.acronymgeek.com/1Y. |
| Bluebook | 1Y, http://www.acronymgeek.com/1Y (last visited February 11, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, 1Y, http://www.acronymgeek.com/1Y (optional description here) (as of Feb. 11, 2012, 21:53). |
| AMA | 1Y. Acronym Geek. February 11, 2012, 21:53. Available at: http://www.acronymgeek.com/1Y. Accessed February 11, 2012, 21:53. |