| Style | Reference Text |
|---|
| APA | BTU. (2012, May 24). In All Acronyms. Retrieved 23:24, May 24, 2012, from http://www.all-acronyms.com/BTU |
| MLA | "BTU." All Acronyms. 24 May 2012, 23:24. All Acronyms. 24 May 2012 <http://www.all-acronyms.com/BTU>. |
| MHRA | 'BTU', All Acronyms, 24 May 2012, 23:24, <http://www.all-acronyms.com/BTU> [accessed 24 May 2012] |
| Chicago | "BTU," http://www.all-acronyms.com/BTU (accessed May 24, 2012). |
| CBE/CSE | BTU [Internet]. All Acronyms; 2012 May 24, 23:24 [cited 2012 May 24]. Available from: http://www.all-acronyms.com/BTU. |
| Bluebook | BTU, http://www.all-acronyms.com/BTU (last visited May 24, 2012). |
| Bluebook: Harvard JOLT | See All Acronyms, BTU, http://www.all-acronyms.com/BTU (optional description here) (as of May. 24, 2012, 23:24). |
| AMA | BTU. All Acronyms. May 24, 2012, 23:24. Available at: http://www.all-acronyms.com/BTU. Accessed May 24, 2012. |
British thermal unit
Basic Terminal Unit