| APA | ALEN. (2012, February 16). In Acronym Geek. Retrieved 19:30, February 16, 2012, from http://www.acronymgeek.com/ALEN |
| MLA | "ALEN." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/ALEN>. |
| MHRA | 'ALEN', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/ALEN> [accessed 16 February 2012] |
| Chicago | "ALEN", http://www.acronymgeek.com/ALEN (accessed February 16, 2012). |
| CBE/CSE | ALEN [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/ALEN. |
| Bluebook | ALEN, http://www.acronymgeek.com/ALEN (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ALEN, http://www.acronymgeek.com/ALEN (optional description here) (as of Feb. 16, 2012, 19:30). |
| AMA | ALEN. Acronym Geek. February 16, 2012, 19:30. Available at: http://www.acronymgeek.com/ALEN. Accessed February 16, 2012, 19:30. |