| Style | Reference Text |
|---|
| APA | 4Y. (2010, February 9). In Acronym Geek. Retrieved 17:33, February 9, 2010, from http://www.acronymgeek.com/4Y |
| MLA | "4Y." Acronym Geek. 9 Feb 2010, 17:33. Acronym Geek. 9 Feb 2010 <http://www.acronymgeek.com/4Y>. |
| MHRA | '4Y', Acronym Geek, 9 February 2010, 17:33, <http://www.acronymgeek.com/4Y> [accessed 9 February 2010] |
| Chicago | "4Y," http://www.acronymgeek.com/4Y (accessed February 9, 2010). |
| CBE/CSE | 4Y [Internet]. Acronym Geek; 2010 Feb 9, 17:33 [cited 2010 Feb 9]. Available from: http://www.acronymgeek.com/4Y. |
| Bluebook | 4Y, http://www.acronymgeek.com/4Y (last visited February 9, 2010). |
| Bluebook: Harvard JOLT | See Acronym Geek, 4Y, http://www.acronymgeek.com/4Y (optional description here) (as of Feb. 9, 2010, 17:33). |
| AMA | 4Y. Acronym Geek. February 9, 2010, 17:33. Available at: http://www.acronymgeek.com/4Y. Accessed February 9, 2010. |