| APA | LTRN. (2012, February 16). In Acronym Geek. Retrieved 06:24, February 16, 2012, from http://www.acronymgeek.com/LTRN |
| MLA | "LTRN." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/LTRN>. |
| MHRA | 'LTRN', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/LTRN> [accessed 16 February 2012] |
| Chicago | "LTRN", http://www.acronymgeek.com/LTRN (accessed February 16, 2012). |
| CBE/CSE | LTRN [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/LTRN. |
| Bluebook | LTRN, http://www.acronymgeek.com/LTRN (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, LTRN, http://www.acronymgeek.com/LTRN (optional description here) (as of Feb. 16, 2012, 06:24). |
| AMA | LTRN. Acronym Geek. February 16, 2012, 06:24. Available at: http://www.acronymgeek.com/LTRN. Accessed February 16, 2012, 06:24. |