| APA | OL. (2012, February 4). In Acronym Geek. Retrieved 11:40, February 4, 2012, from http://www.acronymgeek.com/OL |
| MLA | "OL." Acronym Geek. (2012). Acronym Geek. 4 Feb 2012 <http://www.acronymgeek.com/OL>. |
| MHRA | 'OL', Acronym Geek, 4 February 2012, <http://www.acronymgeek.com/OL> [accessed 4 February 2012] |
| Chicago | "OL", http://www.acronymgeek.com/OL (accessed February 4, 2012). |
| CBE/CSE | OL [Internet]. Acronym Geek; 2012 Feb 4 [cited 2012 Feb 4]. Available from: http://www.acronymgeek.com/OL. |
| Bluebook | OL, http://www.acronymgeek.com/OL (last visited February 4, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, OL, http://www.acronymgeek.com/OL (optional description here) (as of Feb. 4, 2012, 11:40). |
| AMA | OL. Acronym Geek. February 4, 2012, 11:40. Available at: http://www.acronymgeek.com/OL. Accessed February 4, 2012, 11:40. |