| APA | I2P. (2012, February 14). In Acronym Geek. Retrieved 12:05, February 14, 2012, from http://www.acronymgeek.com/I2P |
| MLA | "I2P." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/I2P>. |
| MHRA | 'I2P', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/I2P> [accessed 14 February 2012] |
| Chicago | "I2P", http://www.acronymgeek.com/I2P (accessed February 14, 2012). |
| CBE/CSE | I2P [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/I2P. |
| Bluebook | I2P, http://www.acronymgeek.com/I2P (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, I2P, http://www.acronymgeek.com/I2P (optional description here) (as of Feb. 14, 2012, 12:05). |
| AMA | I2P. Acronym Geek. February 14, 2012, 12:05. Available at: http://www.acronymgeek.com/I2P. Accessed February 14, 2012, 12:05. |