| APA | GHYO. (2012, February 15). In Acronym Geek. Retrieved 20:12, February 15, 2012, from http://www.acronymgeek.com/GHYO |
| MLA | "GHYO." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/GHYO>. |
| MHRA | 'GHYO', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/GHYO> [accessed 15 February 2012] |
| Chicago | "GHYO", http://www.acronymgeek.com/GHYO (accessed February 15, 2012). |
| CBE/CSE | GHYO [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/GHYO. |
| Bluebook | GHYO, http://www.acronymgeek.com/GHYO (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, GHYO, http://www.acronymgeek.com/GHYO (optional description here) (as of Feb. 15, 2012, 20:12). |
| AMA | GHYO. Acronym Geek. February 15, 2012, 20:12. Available at: http://www.acronymgeek.com/GHYO. Accessed February 15, 2012, 20:12. |