| Style | Reference Text |
|---|
| APA | 28M. (2010, March 20). In Acronym Geek. Retrieved 14:36, March 20, 2010, from http://www.acronymgeek.com/index/28m |
| MLA | "28M." Acronym Geek. 20 Mar 2010, 14:36. Acronym Geek. 20 Mar 2010 <http://www.acronymgeek.com/index/28m>. |
| MHRA | '28M', Acronym Geek, 20 March 2010, 14:36, <http://www.acronymgeek.com/index/28m> [accessed 20 March 2010] |
| Chicago | "28M," http://www.acronymgeek.com/index/28m (accessed March 20, 2010). |
| CBE/CSE | 28M [Internet]. Acronym Geek; 2010 Mar 20, 14:36 [cited 2010 Mar 20]. Available from: http://www.acronymgeek.com/index/28m. |
| Bluebook | 28M, http://www.acronymgeek.com/index/28m (last visited March 20, 2010). |
| Bluebook: Harvard JOLT | See Acronym Geek, 28M, http://www.acronymgeek.com/index/28m (optional description here) (as of Mar. 20, 2010, 14:36). |
| AMA | 28M. Acronym Geek. March 20, 2010, 14:36. Available at: http://www.acronymgeek.com/index/28m. Accessed March 20, 2010. |