| APA | 4AR. (2012, February 13). In Acronym Geek. Retrieved 21:03, February 13, 2012, from http://www.acronymgeek.com/4AR |
| MLA | "4AR." Acronym Geek. (2012). Acronym Geek. 13 Feb 2012 <http://www.acronymgeek.com/4AR>. |
| MHRA | '4AR', Acronym Geek, 13 February 2012, <http://www.acronymgeek.com/4AR> [accessed 13 February 2012] |
| Chicago | "4AR", http://www.acronymgeek.com/4AR (accessed February 13, 2012). |
| CBE/CSE | 4AR [Internet]. Acronym Geek; 2012 Feb 13 [cited 2012 Feb 13]. Available from: http://www.acronymgeek.com/4AR. |
| Bluebook | 4AR, http://www.acronymgeek.com/4AR (last visited February 13, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, 4AR, http://www.acronymgeek.com/4AR (optional description here) (as of Feb. 13, 2012, 21:03). |
| AMA | 4AR. Acronym Geek. February 13, 2012, 21:03. Available at: http://www.acronymgeek.com/4AR. Accessed February 13, 2012, 21:03. |