| APA | GYSO. (2012, February 12). In Acronym Geek. Retrieved 12:55, February 12, 2012, from http://www.acronymgeek.com/GYSO |
| MLA | "GYSO." Acronym Geek. (2012). Acronym Geek. 12 Feb 2012 <http://www.acronymgeek.com/GYSO>. |
| MHRA | 'GYSO', Acronym Geek, 12 February 2012, <http://www.acronymgeek.com/GYSO> [accessed 12 February 2012] |
| Chicago | "GYSO", http://www.acronymgeek.com/GYSO (accessed February 12, 2012). |
| CBE/CSE | GYSO [Internet]. Acronym Geek; 2012 Feb 12 [cited 2012 Feb 12]. Available from: http://www.acronymgeek.com/GYSO. |
| Bluebook | GYSO, http://www.acronymgeek.com/GYSO (last visited February 12, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, GYSO, http://www.acronymgeek.com/GYSO (optional description here) (as of Feb. 12, 2012, 12:55). |
| AMA | GYSO. Acronym Geek. February 12, 2012, 12:55. Available at: http://www.acronymgeek.com/GYSO. Accessed February 12, 2012, 12:55. |