| Style | Reference Text |
|---|
| APA | BTU. (2009, November 24). In All Acronyms. Retrieved 14:20, November 24, 2009, from http://www.all-acronyms.com/BTU |
| MLA | "BTU." All Acronyms. 24 Nov 2009, 14:20. All Acronyms. 24 Nov 2009 <http://www.all-acronyms.com/BTU>. |
| MHRA | 'BTU', All Acronyms, 24 November 2009, 14:20, <http://www.all-acronyms.com/BTU> [accessed 24 November 2009] |
| Chicago | "BTU," http://www.all-acronyms.com/BTU (accessed November 24, 2009). |
| CBE/CSE | BTU [Internet]. All Acronyms; 2009 Nov 24, 14:20 [cited 2009 Nov 24]. Available from: http://www.all-acronyms.com/BTU. |
| Bluebook | BTU, http://www.all-acronyms.com/BTU (last visited November 24, 2009). |
| Bluebook: Harvard JOLT | See All Acronyms, BTU, http://www.all-acronyms.com/BTU (optional description here) (as of Nov. 24, 2009, 14:20). |
| AMA | BTU. All Acronyms. November 24, 2009, 14:20. Available at: http://www.all-acronyms.com/BTU. Accessed November 24, 2009. |
British thermal unit
Basic Transmission Unit