| APA | E71. (2012, February 11). In Acronym Geek. Retrieved 13:56, February 11, 2012, from http://www.acronymgeek.com/E71 |
| MLA | "E71." Acronym Geek. (2012). Acronym Geek. 11 Feb 2012 <http://www.acronymgeek.com/E71>. |
| MHRA | 'E71', Acronym Geek, 11 February 2012, <http://www.acronymgeek.com/E71> [accessed 11 February 2012] |
| Chicago | "E71", http://www.acronymgeek.com/E71 (accessed February 11, 2012). |
| CBE/CSE | E71 [Internet]. Acronym Geek; 2012 Feb 11 [cited 2012 Feb 11]. Available from: http://www.acronymgeek.com/E71. |
| Bluebook | E71, http://www.acronymgeek.com/E71 (last visited February 11, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, E71, http://www.acronymgeek.com/E71 (optional description here) (as of Feb. 11, 2012, 13:56). |
| AMA | E71. Acronym Geek. February 11, 2012, 13:56. Available at: http://www.acronymgeek.com/E71. Accessed February 11, 2012, 13:56. |