| APA | STEL. (2012, February 17). In Acronym Geek. Retrieved 06:20, February 17, 2012, from http://www.acronymgeek.com/STEL |
| MLA | "STEL." Acronym Geek. (2012). Acronym Geek. 17 Feb 2012 <http://www.acronymgeek.com/STEL>. |
| MHRA | 'STEL', Acronym Geek, 17 February 2012, <http://www.acronymgeek.com/STEL> [accessed 17 February 2012] |
| Chicago | "STEL", http://www.acronymgeek.com/STEL (accessed February 17, 2012). |
| CBE/CSE | STEL [Internet]. Acronym Geek; 2012 Feb 17 [cited 2012 Feb 17]. Available from: http://www.acronymgeek.com/STEL. |
| Bluebook | STEL, http://www.acronymgeek.com/STEL (last visited February 17, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, STEL, http://www.acronymgeek.com/STEL (optional description here) (as of Feb. 17, 2012, 06:20). |
| AMA | STEL. Acronym Geek. February 17, 2012, 06:20. Available at: http://www.acronymgeek.com/STEL. Accessed February 17, 2012, 06:20. |