| APA | Smart Define. (2013). total dissolved solids. Retrieved May 20, 2013, from http://smartdefine.org/total_dissolved_solids/abbreviations/a |
| Chicago | Smart Define. 2013. "total dissolved solids" http://smartdefine.org/total_dissolved_solids/abbreviations/a (accessed May 20, 2013). |
| Harvard | Smart Define 2013, total dissolved solids, Smart Define, viewed 20 May, 2013, <http://smartdefine.org/total_dissolved_solids/abbreviations/a>. |
| MLA | Smart Define. "total dissolved solids" 19 May 2013. Web. 20 May 2013. <http://smartdefine.org/total_dissolved_solids/abbreviations/a> |