| APA | PHIL. (2012, February 10). In Acronym Geek. Retrieved 13:09, February 10, 2012, from http://www.acronymgeek.com/PHIL |
| MLA | "PHIL." Acronym Geek. (2012). Acronym Geek. 10 Feb 2012 <http://www.acronymgeek.com/PHIL>. |
| MHRA | 'PHIL', Acronym Geek, 10 February 2012, <http://www.acronymgeek.com/PHIL> [accessed 10 February 2012] |
| Chicago | "PHIL", http://www.acronymgeek.com/PHIL (accessed February 10, 2012). |
| CBE/CSE | PHIL [Internet]. Acronym Geek; 2012 Feb 10 [cited 2012 Feb 10]. Available from: http://www.acronymgeek.com/PHIL. |
| Bluebook | PHIL, http://www.acronymgeek.com/PHIL (last visited February 10, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, PHIL, http://www.acronymgeek.com/PHIL (optional description here) (as of Feb. 10, 2012, 13:09). |
| AMA | PHIL. Acronym Geek. February 10, 2012, 13:09. Available at: http://www.acronymgeek.com/PHIL. Accessed February 10, 2012, 13:09. |