| Style | Reference Text |
|---|
| APA | Planetary Nebula. (2009, November 23). In All Acronyms. Retrieved 23:41, November 23, 2009, from http://www.all-acronyms.com/PN/planetary_nebula/32975 |
| MLA | "Planetary Nebula." All Acronyms. 23 Nov 2009, 23:41. All Acronyms. 23 Nov 2009 <http://www.all-acronyms.com/PN/planetary_nebula/32975>. |
| MHRA | 'Planetary Nebula', All Acronyms, 23 November 2009, 23:41, <http://www.all-acronyms.com/PN/planetary_nebula/32975> [accessed 23 November 2009] |
| Chicago | "Planetary Nebula," http://www.all-acronyms.com/PN/planetary_nebula/32975 (accessed November 23, 2009). |
| CBE/CSE | Planetary Nebula [Internet]. All Acronyms; 2009 Nov 23, 23:41 [cited 2009 Nov 23]. Available from: http://www.all-acronyms.com/PN/planetary_nebula/32975. |
| Bluebook | Planetary Nebula, http://www.all-acronyms.com/PN/planetary_nebula/32975 (last visited November 23, 2009). |
| Bluebook: Harvard JOLT | See All Acronyms, Planetary Nebula, http://www.all-acronyms.com/PN/planetary_nebula/32975 (optional description here) (as of Nov. 23, 2009, 23:41). |
| AMA | Planetary Nebula. All Acronyms. November 23, 2009, 23:41. Available at: http://www.all-acronyms.com/PN/planetary_nebula/32975. Accessed November 23, 2009. |