Rojas, S., Kefalianos, E., & Vogel, A. (2020). How Does Our Voice Change as We Age? A Systematic Review and Meta-Analysis of Acoustic and Perceptual Voice Data from Healthy Adults over 50 Years of Age. Journal of Speech, Language, and Hearing Research, 63(2), 533. https://doi.org/10.1044/2019_JSLHR-19-00099
Chicago Style (17th ed.) CitationRojas, Sandra, Elaina Kefalianos, and Adam Vogel. "How Does Our Voice Change as We Age? A Systematic Review and Meta-Analysis of Acoustic and Perceptual Voice Data from Healthy Adults over 50 Years of Age." Journal of Speech, Language, and Hearing Research 63, no. 2 (2020): 533. https://doi.org/10.1044/2019_JSLHR-19-00099.
MLA (9th ed.) CitationRojas, Sandra, et al. "How Does Our Voice Change as We Age? A Systematic Review and Meta-Analysis of Acoustic and Perceptual Voice Data from Healthy Adults over 50 Years of Age." Journal of Speech, Language, and Hearing Research, vol. 63, no. 2, 2020, p. 533, https://doi.org/10.1044/2019_JSLHR-19-00099.