| APA | EF3. (2012, February 12). In Acronym Geek. Retrieved 06:53, February 12, 2012, from http://www.acronymgeek.com/EF3 |
| MLA | "EF3." Acronym Geek. (2012). Acronym Geek. 12 Feb 2012 <http://www.acronymgeek.com/EF3>. |
| MHRA | 'EF3', Acronym Geek, 12 February 2012, <http://www.acronymgeek.com/EF3> [accessed 12 February 2012] |
| Chicago | "EF3", http://www.acronymgeek.com/EF3 (accessed February 12, 2012). |
| CBE/CSE | EF3 [Internet]. Acronym Geek; 2012 Feb 12 [cited 2012 Feb 12]. Available from: http://www.acronymgeek.com/EF3. |
| Bluebook | EF3, http://www.acronymgeek.com/EF3 (last visited February 12, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, EF3, http://www.acronymgeek.com/EF3 (optional description here) (as of Feb. 12, 2012, 06:53). |
| AMA | EF3. Acronym Geek. February 12, 2012, 06:53. Available at: http://www.acronymgeek.com/EF3. Accessed February 12, 2012, 06:53. |