| APA | PORSCHE. (2012, February 11). In Acronym Geek. Retrieved 10:25, February 11, 2012, from http://www.acronymgeek.com/PORSCHE |
| MLA | "PORSCHE." Acronym Geek. (2012). Acronym Geek. 11 Feb 2012 <http://www.acronymgeek.com/PORSCHE>. |
| MHRA | 'PORSCHE', Acronym Geek, 11 February 2012, <http://www.acronymgeek.com/PORSCHE> [accessed 11 February 2012] |
| Chicago | "PORSCHE", http://www.acronymgeek.com/PORSCHE (accessed February 11, 2012). |
| CBE/CSE | PORSCHE [Internet]. Acronym Geek; 2012 Feb 11 [cited 2012 Feb 11]. Available from: http://www.acronymgeek.com/PORSCHE. |
| Bluebook | PORSCHE, http://www.acronymgeek.com/PORSCHE (last visited February 11, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, PORSCHE, http://www.acronymgeek.com/PORSCHE (optional description here) (as of Feb. 11, 2012, 10:25). |
| AMA | PORSCHE. Acronym Geek. February 11, 2012, 10:25. Available at: http://www.acronymgeek.com/PORSCHE. Accessed February 11, 2012, 10:25. |