| APA | Smart Define. (2011). cardiac rhythm thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/cardiac_rhythm/thesaurus/synonyms |
| Chicago | Smart Define. 2011. "cardiac rhythm thesaurus" https://smartdefine.org/cardiac_rhythm/thesaurus/synonyms (accessed September 20, 2026). |
| Harvard | Smart Define 2011, cardiac rhythm thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/cardiac_rhythm/thesaurus/synonyms>. |
| MLA | Smart Define. "cardiac rhythm thesaurus" 26 April 2011. Web. 20 September 2026. <https://smartdefine.org/cardiac_rhythm/thesaurus/synonyms> |