| APA | SGY. (2012, February 14). In Acronym Geek. Retrieved 09:56, February 14, 2012, from http://www.acronymgeek.com/SGY |
| MLA | "SGY." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/SGY>. |
| MHRA | 'SGY', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/SGY> [accessed 14 February 2012] |
| Chicago | "SGY", http://www.acronymgeek.com/SGY (accessed February 14, 2012). |
| CBE/CSE | SGY [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/SGY. |
| Bluebook | SGY, http://www.acronymgeek.com/SGY (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, SGY, http://www.acronymgeek.com/SGY (optional description here) (as of Feb. 14, 2012, 09:56). |
| AMA | SGY. Acronym Geek. February 14, 2012, 09:56. Available at: http://www.acronymgeek.com/SGY. Accessed February 14, 2012, 09:56. |