| APA | PORTUGUESE NAVY. (2012, February 10). In Acronym Geek. Retrieved 20:05, February 10, 2012, from http://www.acronymgeek.com/PORTUGUESE NAVY |
| MLA | "PORTUGUESE NAVY." Acronym Geek. (2012). Acronym Geek. 10 Feb 2012 <http://www.acronymgeek.com/PORTUGUESE NAVY>. |
| MHRA | 'PORTUGUESE NAVY', Acronym Geek, 10 February 2012, <http://www.acronymgeek.com/PORTUGUESE NAVY> [accessed 10 February 2012] |
| Chicago | "PORTUGUESE NAVY", http://www.acronymgeek.com/PORTUGUESE NAVY (accessed February 10, 2012). |
| CBE/CSE | PORTUGUESE NAVY [Internet]. Acronym Geek; 2012 Feb 10 [cited 2012 Feb 10]. Available from: http://www.acronymgeek.com/PORTUGUESE NAVY. |
| Bluebook | PORTUGUESE NAVY, http://www.acronymgeek.com/PORTUGUESE NAVY (last visited February 10, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, PORTUGUESE NAVY, http://www.acronymgeek.com/PORTUGUESE NAVY (optional description here) (as of Feb. 10, 2012, 20:05). |
| AMA | PORTUGUESE NAVY. Acronym Geek. February 10, 2012, 20:05. Available at: http://www.acronymgeek.com/PORTUGUESE NAVY. Accessed February 10, 2012, 20:05. |