| APA | I4P. (2012, February 14). In Acronym Geek. Retrieved 07:44, February 14, 2012, from http://www.acronymgeek.com/I4P |
| MLA | "I4P." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/I4P>. |
| MHRA | 'I4P', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/I4P> [accessed 14 February 2012] |
| Chicago | "I4P", http://www.acronymgeek.com/I4P (accessed February 14, 2012). |
| CBE/CSE | I4P [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/I4P. |
| Bluebook | I4P, http://www.acronymgeek.com/I4P (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, I4P, http://www.acronymgeek.com/I4P (optional description here) (as of Feb. 14, 2012, 07:44). |
| AMA | I4P. Acronym Geek. February 14, 2012, 07:44. Available at: http://www.acronymgeek.com/I4P. Accessed February 14, 2012, 07:44. |