| APA | Smart Define. (2011). series of songs thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/series_of_songs/thesaurus/narrower |
| Chicago | Smart Define. 2011. "series of songs thesaurus" https://smartdefine.org/series_of_songs/thesaurus/narrower (accessed September 21, 2026). |
| Harvard | Smart Define 2011, series of songs thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/series_of_songs/thesaurus/narrower>. |
| MLA | Smart Define. "series of songs thesaurus" 2 May 2011. Web. 21 September 2026. <https://smartdefine.org/series_of_songs/thesaurus/narrower> |