| APA | L1. (2012, February 10). In Acronym Geek. Retrieved 10:43, February 10, 2012, from http://www.acronymgeek.com/L1 |
| MLA | "L1." Acronym Geek. (2012). Acronym Geek. 10 Feb 2012 <http://www.acronymgeek.com/L1>. |
| MHRA | 'L1', Acronym Geek, 10 February 2012, <http://www.acronymgeek.com/L1> [accessed 10 February 2012] |
| Chicago | "L1", http://www.acronymgeek.com/L1 (accessed February 10, 2012). |
| CBE/CSE | L1 [Internet]. Acronym Geek; 2012 Feb 10 [cited 2012 Feb 10]. Available from: http://www.acronymgeek.com/L1. |
| Bluebook | L1, http://www.acronymgeek.com/L1 (last visited February 10, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, L1, http://www.acronymgeek.com/L1 (optional description here) (as of Feb. 10, 2012, 10:43). |
| AMA | L1. Acronym Geek. February 10, 2012, 10:43. Available at: http://www.acronymgeek.com/L1. Accessed February 10, 2012, 10:43. |