| APA | Petrol Office (PO). (2012, February 13). In Acronym Geek. Retrieved 22:28, February 13, 2012, from http://www.acronymgeek.com/PO/Petrol_Office |
| MLA | "Petrol Office (PO)." Acronym Geek. (2012). Acronym Geek. 13 Feb 2012 <http://www.acronymgeek.com/PO/Petrol_Office>. |
| MHRA | 'Petrol Office (PO)', Acronym Geek, 13 February 2012, <http://www.acronymgeek.com/PO/Petrol_Office> [accessed 13 February 2012] |
| Chicago | "Petrol Office (PO)", http://www.acronymgeek.com/PO/Petrol_Office (accessed February 13, 2012). |
| CBE/CSE | Petrol Office (PO) [Internet]. Acronym Geek; 2012 Feb 13 [cited 2012 Feb 13]. Available from: http://www.acronymgeek.com/PO/Petrol_Office. |
| Bluebook | Petrol Office (PO), http://www.acronymgeek.com/PO/Petrol_Office (last visited February 13, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, Petrol Office (PO), http://www.acronymgeek.com/PO/Petrol_Office (optional description here) (as of Feb. 13, 2012, 22:28). |
| AMA | Petrol Office (PO). Acronym Geek. February 13, 2012, 22:28. Available at: http://www.acronymgeek.com/PO/Petrol_Office. Accessed February 13, 2012, 22:28. |