| APA | ISP. (2012, February 9). In Acronym Geek. Retrieved 19:25, February 9, 2012, from http://www.acronymgeek.com/ISP |
| MLA | "ISP." Acronym Geek. (2012). Acronym Geek. 9 Feb 2012 <http://www.acronymgeek.com/ISP>. |
| MHRA | 'ISP', Acronym Geek, 9 February 2012, <http://www.acronymgeek.com/ISP> [accessed 9 February 2012] |
| Chicago | "ISP", http://www.acronymgeek.com/ISP (accessed February 9, 2012). |
| CBE/CSE | ISP [Internet]. Acronym Geek; 2012 Feb 9 [cited 2012 Feb 9]. Available from: http://www.acronymgeek.com/ISP. |
| Bluebook | ISP, http://www.acronymgeek.com/ISP (last visited February 9, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, ISP, http://www.acronymgeek.com/ISP (optional description here) (as of Feb. 9, 2012, 19:25). |
| AMA | ISP. Acronym Geek. February 9, 2012, 19:25. Available at: http://www.acronymgeek.com/ISP. Accessed February 9, 2012, 19:25. |