| APA | OLLA. (2012, February 15). In Acronym Geek. Retrieved 23:30, February 15, 2012, from http://www.acronymgeek.com/OLLA |
| MLA | "OLLA." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/OLLA>. |
| MHRA | 'OLLA', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/OLLA> [accessed 15 February 2012] |
| Chicago | "OLLA", http://www.acronymgeek.com/OLLA (accessed February 15, 2012). |
| CBE/CSE | OLLA [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/OLLA. |
| Bluebook | OLLA, http://www.acronymgeek.com/OLLA (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, OLLA, http://www.acronymgeek.com/OLLA (optional description here) (as of Feb. 15, 2012, 23:30). |
| AMA | OLLA. Acronym Geek. February 15, 2012, 23:30. Available at: http://www.acronymgeek.com/OLLA. Accessed February 15, 2012, 23:30. |