| APA | PHLO. (2012, February 17). In Acronym Geek. Retrieved 00:15, February 17, 2012, from http://www.acronymgeek.com/PHLO |
| MLA | "PHLO." Acronym Geek. (2012). Acronym Geek. 17 Feb 2012 <http://www.acronymgeek.com/PHLO>. |
| MHRA | 'PHLO', Acronym Geek, 17 February 2012, <http://www.acronymgeek.com/PHLO> [accessed 17 February 2012] |
| Chicago | "PHLO", http://www.acronymgeek.com/PHLO (accessed February 17, 2012). |
| CBE/CSE | PHLO [Internet]. Acronym Geek; 2012 Feb 17 [cited 2012 Feb 17]. Available from: http://www.acronymgeek.com/PHLO. |
| Bluebook | PHLO, http://www.acronymgeek.com/PHLO (last visited February 17, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, PHLO, http://www.acronymgeek.com/PHLO (optional description here) (as of Feb. 17, 2012, 00:15). |
| AMA | PHLO. Acronym Geek. February 17, 2012, 00:15. Available at: http://www.acronymgeek.com/PHLO. Accessed February 17, 2012, 00:15. |