| APA | IPO. (2012, February 9). In Acronym Geek. Retrieved 01:51, February 9, 2012, from http://www.acronymgeek.com/IPO |
| MLA | "IPO." Acronym Geek. (2012). Acronym Geek. 9 Feb 2012 <http://www.acronymgeek.com/IPO>. |
| MHRA | 'IPO', Acronym Geek, 9 February 2012, <http://www.acronymgeek.com/IPO> [accessed 9 February 2012] |
| Chicago | "IPO", http://www.acronymgeek.com/IPO (accessed February 9, 2012). |
| CBE/CSE | IPO [Internet]. Acronym Geek; 2012 Feb 9 [cited 2012 Feb 9]. Available from: http://www.acronymgeek.com/IPO. |
| Bluebook | IPO, http://www.acronymgeek.com/IPO (last visited February 9, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, IPO, http://www.acronymgeek.com/IPO (optional description here) (as of Feb. 9, 2012, 01:51). |
| AMA | IPO. Acronym Geek. February 9, 2012, 01:51. Available at: http://www.acronymgeek.com/IPO. Accessed February 9, 2012, 01:51. |