| APA | 2SLS. (2012, February 11). In Acronym Geek. Retrieved 20:07, February 11, 2012, from http://www.acronymgeek.com/2SLS |
| MLA | "2SLS." Acronym Geek. (2012). Acronym Geek. 11 Feb 2012 <http://www.acronymgeek.com/2SLS>. |
| MHRA | '2SLS', Acronym Geek, 11 February 2012, <http://www.acronymgeek.com/2SLS> [accessed 11 February 2012] |
| Chicago | "2SLS", http://www.acronymgeek.com/2SLS (accessed February 11, 2012). |
| CBE/CSE | 2SLS [Internet]. Acronym Geek; 2012 Feb 11 [cited 2012 Feb 11]. Available from: http://www.acronymgeek.com/2SLS. |
| Bluebook | 2SLS, http://www.acronymgeek.com/2SLS (last visited February 11, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, 2SLS, http://www.acronymgeek.com/2SLS (optional description here) (as of Feb. 11, 2012, 20:07). |
| AMA | 2SLS. Acronym Geek. February 11, 2012, 20:07. Available at: http://www.acronymgeek.com/2SLS. Accessed February 11, 2012, 20:07. |