| APA | OLCK. (2012, February 16). In Acronym Geek. Retrieved 10:35, February 16, 2012, from http://www.acronymgeek.com/OLCK |
| MLA | "OLCK." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/OLCK>. |
| MHRA | 'OLCK', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/OLCK> [accessed 16 February 2012] |
| Chicago | "OLCK", http://www.acronymgeek.com/OLCK (accessed February 16, 2012). |
| CBE/CSE | OLCK [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/OLCK. |
| Bluebook | OLCK, http://www.acronymgeek.com/OLCK (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, OLCK, http://www.acronymgeek.com/OLCK (optional description here) (as of Feb. 16, 2012, 10:35). |
| AMA | OLCK. Acronym Geek. February 16, 2012, 10:35. Available at: http://www.acronymgeek.com/OLCK. Accessed February 16, 2012, 10:35. |