| APA | APROX. (2012, February 12). In Acronym Geek. Retrieved 15:11, February 12, 2012, from http://www.acronymgeek.com/APROX |
| MLA | "APROX." Acronym Geek. (2012). Acronym Geek. 12 Feb 2012 <http://www.acronymgeek.com/APROX>. |
| MHRA | 'APROX', Acronym Geek, 12 February 2012, <http://www.acronymgeek.com/APROX> [accessed 12 February 2012] |
| Chicago | "APROX", http://www.acronymgeek.com/APROX (accessed February 12, 2012). |
| CBE/CSE | APROX [Internet]. Acronym Geek; 2012 Feb 12 [cited 2012 Feb 12]. Available from: http://www.acronymgeek.com/APROX. |
| Bluebook | APROX, http://www.acronymgeek.com/APROX (last visited February 12, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, APROX, http://www.acronymgeek.com/APROX (optional description here) (as of Feb. 12, 2012, 15:11). |
| AMA | APROX. Acronym Geek. February 12, 2012, 15:11. Available at: http://www.acronymgeek.com/APROX. Accessed February 12, 2012, 15:11. |