Dargin, T. C., & Searl, J. (2015). Semi-Occluded Vocal Tract Exercises: Aerodynamic and Electroglottographic Measurements in Singers. Journal of voice, 29(2), 155-164. https://doi.org/10.1016/j.jvoice.2014.05.009
Chicago Style (17th ed.) CitationDargin, Troy Clifford, and Jeff Searl. "Semi-Occluded Vocal Tract Exercises: Aerodynamic and Electroglottographic Measurements in Singers." Journal of Voice 29, no. 2 (2015): 155-164. https://doi.org/10.1016/j.jvoice.2014.05.009.
MLA (9th ed.) CitationDargin, Troy Clifford, and Jeff Searl. "Semi-Occluded Vocal Tract Exercises: Aerodynamic and Electroglottographic Measurements in Singers." Journal of Voice, vol. 29, no. 2, 2015, pp. 155-164, https://doi.org/10.1016/j.jvoice.2014.05.009.
Warning: These citations may not always be 100% accurate.