| APA | BPEL4WS. (2012, February 9). In Acronym Geek. Retrieved 15:09, February 9, 2012, from http://www.acronymgeek.com/BPEL4WS |
| MLA | "BPEL4WS." Acronym Geek. (2012). Acronym Geek. 9 Feb 2012 <http://www.acronymgeek.com/BPEL4WS>. |
| MHRA | 'BPEL4WS', Acronym Geek, 9 February 2012, <http://www.acronymgeek.com/BPEL4WS> [accessed 9 February 2012] |
| Chicago | "BPEL4WS", http://www.acronymgeek.com/BPEL4WS (accessed February 9, 2012). |
| CBE/CSE | BPEL4WS [Internet]. Acronym Geek; 2012 Feb 9 [cited 2012 Feb 9]. Available from: http://www.acronymgeek.com/BPEL4WS. |
| Bluebook | BPEL4WS, http://www.acronymgeek.com/BPEL4WS (last visited February 9, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, BPEL4WS, http://www.acronymgeek.com/BPEL4WS (optional description here) (as of Feb. 9, 2012, 15:09). |
| AMA | BPEL4WS. Acronym Geek. February 9, 2012, 15:09. Available at: http://www.acronymgeek.com/BPEL4WS. Accessed February 9, 2012, 15:09. |