| APA | GYDB. (2012, February 17). In Acronym Geek. Retrieved 00:09, February 17, 2012, from http://www.acronymgeek.com/GYDB |
| MLA | "GYDB." Acronym Geek. (2012). Acronym Geek. 17 Feb 2012 <http://www.acronymgeek.com/GYDB>. |
| MHRA | 'GYDB', Acronym Geek, 17 February 2012, <http://www.acronymgeek.com/GYDB> [accessed 17 February 2012] |
| Chicago | "GYDB", http://www.acronymgeek.com/GYDB (accessed February 17, 2012). |
| CBE/CSE | GYDB [Internet]. Acronym Geek; 2012 Feb 17 [cited 2012 Feb 17]. Available from: http://www.acronymgeek.com/GYDB. |
| Bluebook | GYDB, http://www.acronymgeek.com/GYDB (last visited February 17, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, GYDB, http://www.acronymgeek.com/GYDB (optional description here) (as of Feb. 17, 2012, 00:09). |
| AMA | GYDB. Acronym Geek. February 17, 2012, 00:09. Available at: http://www.acronymgeek.com/GYDB. Accessed February 17, 2012, 00:09. |