| APA | VLS. (2012, February 14). In Acronym Geek. Retrieved 11:48, February 14, 2012, from http://www.acronymgeek.com/VLS |
| MLA | "VLS." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/VLS>. |
| MHRA | 'VLS', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/VLS> [accessed 14 February 2012] |
| Chicago | "VLS", http://www.acronymgeek.com/VLS (accessed February 14, 2012). |
| CBE/CSE | VLS [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/VLS. |
| Bluebook | VLS, http://www.acronymgeek.com/VLS (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, VLS, http://www.acronymgeek.com/VLS (optional description here) (as of Feb. 14, 2012, 11:48). |
| AMA | VLS. Acronym Geek. February 14, 2012, 11:48. Available at: http://www.acronymgeek.com/VLS. Accessed February 14, 2012, 11:48. |