| APA | WS. (2012, February 9). In Acronym Geek. Retrieved 13:31, February 9, 2012, from http://www.acronymgeek.com/WS |
| MLA | "WS." Acronym Geek. (2012). Acronym Geek. 9 Feb 2012 <http://www.acronymgeek.com/WS>. |
| MHRA | 'WS', Acronym Geek, 9 February 2012, <http://www.acronymgeek.com/WS> [accessed 9 February 2012] |
| Chicago | "WS", http://www.acronymgeek.com/WS (accessed February 9, 2012). |
| CBE/CSE | WS [Internet]. Acronym Geek; 2012 Feb 9 [cited 2012 Feb 9]. Available from: http://www.acronymgeek.com/WS. |
| Bluebook | WS, http://www.acronymgeek.com/WS (last visited February 9, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, WS, http://www.acronymgeek.com/WS (optional description here) (as of Feb. 9, 2012, 13:31). |
| AMA | WS. Acronym Geek. February 9, 2012, 13:31. Available at: http://www.acronymgeek.com/WS. Accessed February 9, 2012, 13:31. |