| APA | Y4E. (2012, February 13). In Acronym Geek. Retrieved 22:42, February 13, 2012, from http://www.acronymgeek.com/Y4E |
| MLA | "Y4E." Acronym Geek. (2012). Acronym Geek. 13 Feb 2012 <http://www.acronymgeek.com/Y4E>. |
| MHRA | 'Y4E', Acronym Geek, 13 February 2012, <http://www.acronymgeek.com/Y4E> [accessed 13 February 2012] |
| Chicago | "Y4E", http://www.acronymgeek.com/Y4E (accessed February 13, 2012). |
| CBE/CSE | Y4E [Internet]. Acronym Geek; 2012 Feb 13 [cited 2012 Feb 13]. Available from: http://www.acronymgeek.com/Y4E. |
| Bluebook | Y4E, http://www.acronymgeek.com/Y4E (last visited February 13, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, Y4E, http://www.acronymgeek.com/Y4E (optional description here) (as of Feb. 13, 2012, 22:42). |
| AMA | Y4E. Acronym Geek. February 13, 2012, 22:42. Available at: http://www.acronymgeek.com/Y4E. Accessed February 13, 2012, 22:42. |