| APA | GYFS. (2012, February 16). In Acronym Geek. Retrieved 09:58, February 16, 2012, from http://www.acronymgeek.com/GYFS |
| MLA | "GYFS." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/GYFS>. |
| MHRA | 'GYFS', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/GYFS> [accessed 16 February 2012] |
| Chicago | "GYFS", http://www.acronymgeek.com/GYFS (accessed February 16, 2012). |
| CBE/CSE | GYFS [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/GYFS. |
| Bluebook | GYFS, http://www.acronymgeek.com/GYFS (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, GYFS, http://www.acronymgeek.com/GYFS (optional description here) (as of Feb. 16, 2012, 09:58). |
| AMA | GYFS. Acronym Geek. February 16, 2012, 09:58. Available at: http://www.acronymgeek.com/GYFS. Accessed February 16, 2012, 09:58. |