| APA | ENA/VASP. (2012, February 11). In Acronym Geek. Retrieved 19:24, February 11, 2012, from http://www.acronymgeek.com/ENA/VASP |
| MLA | "ENA/VASP." Acronym Geek. (2012). Acronym Geek. 11 Feb 2012 <http://www.acronymgeek.com/ENA/VASP>. |
| MHRA | 'ENA/VASP', Acronym Geek, 11 February 2012, <http://www.acronymgeek.com/ENA/VASP> [accessed 11 February 2012] |
| Chicago | "ENA/VASP", http://www.acronymgeek.com/ENA/VASP (accessed February 11, 2012). |
| CBE/CSE | ENA/VASP [Internet]. Acronym Geek; 2012 Feb 11 [cited 2012 Feb 11]. Available from: http://www.acronymgeek.com/ENA/VASP. |
| Bluebook | ENA/VASP, http://www.acronymgeek.com/ENA/VASP (last visited February 11, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ENA/VASP, http://www.acronymgeek.com/ENA/VASP (optional description here) (as of Feb. 11, 2012, 19:24). |
| AMA | ENA/VASP. Acronym Geek. February 11, 2012, 19:24. Available at: http://www.acronymgeek.com/ENA/VASP. Accessed February 11, 2012, 19:24. |