| APA | EEUU. (2012, February 17). In Acronym Geek. Retrieved 07:20, February 17, 2012, from http://www.acronymgeek.com/EEUU |
| MLA | "EEUU." Acronym Geek. (2012). Acronym Geek. 17 Feb 2012 <http://www.acronymgeek.com/EEUU>. |
| MHRA | 'EEUU', Acronym Geek, 17 February 2012, <http://www.acronymgeek.com/EEUU> [accessed 17 February 2012] |
| Chicago | "EEUU", http://www.acronymgeek.com/EEUU (accessed February 17, 2012). |
| CBE/CSE | EEUU [Internet]. Acronym Geek; 2012 Feb 17 [cited 2012 Feb 17]. Available from: http://www.acronymgeek.com/EEUU. |
| Bluebook | EEUU, http://www.acronymgeek.com/EEUU (last visited February 17, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, EEUU, http://www.acronymgeek.com/EEUU (optional description here) (as of Feb. 17, 2012, 07:20). |
| AMA | EEUU. Acronym Geek. February 17, 2012, 07:20. Available at: http://www.acronymgeek.com/EEUU. Accessed February 17, 2012, 07:20. |