| APA | EXSA. (2012, February 16). In Acronym Geek. Retrieved 16:15, February 16, 2012, from http://www.acronymgeek.com/EXSA |
| MLA | "EXSA." Acronym Geek. (2012). Acronym Geek. 16 Feb 2012 <http://www.acronymgeek.com/EXSA>. |
| MHRA | 'EXSA', Acronym Geek, 16 February 2012, <http://www.acronymgeek.com/EXSA> [accessed 16 February 2012] |
| Chicago | "EXSA", http://www.acronymgeek.com/EXSA (accessed February 16, 2012). |
| CBE/CSE | EXSA [Internet]. Acronym Geek; 2012 Feb 16 [cited 2012 Feb 16]. Available from: http://www.acronymgeek.com/EXSA. |
| Bluebook | EXSA, http://www.acronymgeek.com/EXSA (last visited February 16, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, EXSA, http://www.acronymgeek.com/EXSA (optional description here) (as of Feb. 16, 2012, 16:15). |
| AMA | EXSA. Acronym Geek. February 16, 2012, 16:15. Available at: http://www.acronymgeek.com/EXSA. Accessed February 16, 2012, 16:15. |