| APA | COLM. (2012, February 15). In Acronym Geek. Retrieved 15:33, February 15, 2012, from http://www.acronymgeek.com/COLM |
| MLA | "COLM." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/COLM>. |
| MHRA | 'COLM', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/COLM> [accessed 15 February 2012] |
| Chicago | "COLM", http://www.acronymgeek.com/COLM (accessed February 15, 2012). |
| CBE/CSE | COLM [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/COLM. |
| Bluebook | COLM, http://www.acronymgeek.com/COLM (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, COLM, http://www.acronymgeek.com/COLM (optional description here) (as of Feb. 15, 2012, 15:33). |
| AMA | COLM. Acronym Geek. February 15, 2012, 15:33. Available at: http://www.acronymgeek.com/COLM. Accessed February 15, 2012, 15:33. |