| APA | W/S. (2012, February 9). In Acronym Geek. Retrieved 01:16, February 9, 2012, from http://www.acronymgeek.com/W/S |
| MLA | "W/S." Acronym Geek. (2012). Acronym Geek. 9 Feb 2012 <http://www.acronymgeek.com/W/S>. |
| MHRA | 'W/S', Acronym Geek, 9 February 2012, <http://www.acronymgeek.com/W/S> [accessed 9 February 2012] |
| Chicago | "W/S", http://www.acronymgeek.com/W/S (accessed February 9, 2012). |
| CBE/CSE | W/S [Internet]. Acronym Geek; 2012 Feb 9 [cited 2012 Feb 9]. Available from: http://www.acronymgeek.com/W/S. |
| Bluebook | W/S, http://www.acronymgeek.com/W/S (last visited February 9, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, W/S, http://www.acronymgeek.com/W/S (optional description here) (as of Feb. 9, 2012, 01:16). |
| AMA | W/S. Acronym Geek. February 9, 2012, 01:16. Available at: http://www.acronymgeek.com/W/S. Accessed February 9, 2012, 01:16. |