| APA | PM. (2012, February 14). In Acronym Geek. Retrieved 06:22, February 14, 2012, from http://www.acronymgeek.com/PM |
| MLA | "PM." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/PM>. |
| MHRA | 'PM', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/PM> [accessed 14 February 2012] |
| Chicago | "PM", http://www.acronymgeek.com/PM (accessed February 14, 2012). |
| CBE/CSE | PM [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/PM. |
| Bluebook | PM, http://www.acronymgeek.com/PM (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, PM, http://www.acronymgeek.com/PM (optional description here) (as of Feb. 14, 2012, 06:22). |
| AMA | PM. Acronym Geek. February 14, 2012, 06:22. Available at: http://www.acronymgeek.com/PM. Accessed February 14, 2012, 06:22. |