| APA | 2SR. (2012, February 11). In Acronym Geek. Retrieved 21:57, February 11, 2012, from http://www.acronymgeek.com/2SR |
| MLA | "2SR." Acronym Geek. (2012). Acronym Geek. 11 Feb 2012 <http://www.acronymgeek.com/2SR>. |
| MHRA | '2SR', Acronym Geek, 11 February 2012, <http://www.acronymgeek.com/2SR> [accessed 11 February 2012] |
| Chicago | "2SR", http://www.acronymgeek.com/2SR (accessed February 11, 2012). |
| CBE/CSE | 2SR [Internet]. Acronym Geek; 2012 Feb 11 [cited 2012 Feb 11]. Available from: http://www.acronymgeek.com/2SR. |
| Bluebook | 2SR, http://www.acronymgeek.com/2SR (last visited February 11, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, 2SR, http://www.acronymgeek.com/2SR (optional description here) (as of Feb. 11, 2012, 21:57). |
| AMA | 2SR. Acronym Geek. February 11, 2012, 21:57. Available at: http://www.acronymgeek.com/2SR. Accessed February 11, 2012, 21:57. |