| APA | SGML. (2012, February 9). In Acronym Geek. Retrieved 20:14, February 9, 2012, from http://www.acronymgeek.com/SGML |
| MLA | "SGML." Acronym Geek. (2012). Acronym Geek. 9 Feb 2012 <http://www.acronymgeek.com/SGML>. |
| MHRA | 'SGML', Acronym Geek, 9 February 2012, <http://www.acronymgeek.com/SGML> [accessed 9 February 2012] |
| Chicago | "SGML", http://www.acronymgeek.com/SGML (accessed February 9, 2012). |
| CBE/CSE | SGML [Internet]. Acronym Geek; 2012 Feb 9 [cited 2012 Feb 9]. Available from: http://www.acronymgeek.com/SGML. |
| Bluebook | SGML, http://www.acronymgeek.com/SGML (last visited February 9, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, SGML, http://www.acronymgeek.com/SGML (optional description here) (as of Feb. 9, 2012, 20:14). |
| AMA | SGML. Acronym Geek. February 9, 2012, 20:14. Available at: http://www.acronymgeek.com/SGML. Accessed February 9, 2012, 20:14. |