| APA | SYPE. (2012, February 15). In Acronym Geek. Retrieved 10:59, February 15, 2012, from http://www.acronymgeek.com/SYPE |
| MLA | "SYPE." Acronym Geek. (2012). Acronym Geek. 15 Feb 2012 <http://www.acronymgeek.com/SYPE>. |
| MHRA | 'SYPE', Acronym Geek, 15 February 2012, <http://www.acronymgeek.com/SYPE> [accessed 15 February 2012] |
| Chicago | "SYPE", http://www.acronymgeek.com/SYPE (accessed February 15, 2012). |
| CBE/CSE | SYPE [Internet]. Acronym Geek; 2012 Feb 15 [cited 2012 Feb 15]. Available from: http://www.acronymgeek.com/SYPE. |
| Bluebook | SYPE, http://www.acronymgeek.com/SYPE (last visited February 15, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, SYPE, http://www.acronymgeek.com/SYPE (optional description here) (as of Feb. 15, 2012, 10:59). |
| AMA | SYPE. Acronym Geek. February 15, 2012, 10:59. Available at: http://www.acronymgeek.com/SYPE. Accessed February 15, 2012, 10:59. |