| APA | GYU. (2012, February 11). In Acronym Geek. Retrieved 18:08, February 11, 2012, from http://www.acronymgeek.com/GYU |
| MLA | "GYU." Acronym Geek. (2012). Acronym Geek. 11 Feb 2012 <http://www.acronymgeek.com/GYU>. |
| MHRA | 'GYU', Acronym Geek, 11 February 2012, <http://www.acronymgeek.com/GYU> [accessed 11 February 2012] |
| Chicago | "GYU", http://www.acronymgeek.com/GYU (accessed February 11, 2012). |
| CBE/CSE | GYU [Internet]. Acronym Geek; 2012 Feb 11 [cited 2012 Feb 11]. Available from: http://www.acronymgeek.com/GYU. |
| Bluebook | GYU, http://www.acronymgeek.com/GYU (last visited February 11, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, GYU, http://www.acronymgeek.com/GYU (optional description here) (as of Feb. 11, 2012, 18:08). |
| AMA | GYU. Acronym Geek. February 11, 2012, 18:08. Available at: http://www.acronymgeek.com/GYU. Accessed February 11, 2012, 18:08. |