| APA | 4CM. (2012, February 12). In Acronym Geek. Retrieved 07:05, February 12, 2012, from http://www.acronymgeek.com/4CM |
| MLA | "4CM." Acronym Geek. (2012). Acronym Geek. 12 Feb 2012 <http://www.acronymgeek.com/4CM>. |
| MHRA | '4CM', Acronym Geek, 12 February 2012, <http://www.acronymgeek.com/4CM> [accessed 12 February 2012] |
| Chicago | "4CM", http://www.acronymgeek.com/4CM (accessed February 12, 2012). |
| CBE/CSE | 4CM [Internet]. Acronym Geek; 2012 Feb 12 [cited 2012 Feb 12]. Available from: http://www.acronymgeek.com/4CM. |
| Bluebook | 4CM, http://www.acronymgeek.com/4CM (last visited February 12, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, 4CM, http://www.acronymgeek.com/4CM (optional description here) (as of Feb. 12, 2012, 07:05). |
| AMA | 4CM. Acronym Geek. February 12, 2012, 07:05. Available at: http://www.acronymgeek.com/4CM. Accessed February 12, 2012, 07:05. |