| APA | XCEM. (2012, February 12). In Acronym Geek. Retrieved 10:18, February 12, 2012, from http://www.acronymgeek.com/XCEM |
| MLA | "XCEM." Acronym Geek. (2012). Acronym Geek. 12 Feb 2012 <http://www.acronymgeek.com/XCEM>. |
| MHRA | 'XCEM', Acronym Geek, 12 February 2012, <http://www.acronymgeek.com/XCEM> [accessed 12 February 2012] |
| Chicago | "XCEM", http://www.acronymgeek.com/XCEM (accessed February 12, 2012). |
| CBE/CSE | XCEM [Internet]. Acronym Geek; 2012 Feb 12 [cited 2012 Feb 12]. Available from: http://www.acronymgeek.com/XCEM. |
| Bluebook | XCEM, http://www.acronymgeek.com/XCEM (last visited February 12, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, XCEM, http://www.acronymgeek.com/XCEM (optional description here) (as of Feb. 12, 2012, 10:18). |
| AMA | XCEM. Acronym Geek. February 12, 2012, 10:18. Available at: http://www.acronymgeek.com/XCEM. Accessed February 12, 2012, 10:18. |