Robb, M. P., Chen, Y., Gilbert, H. R., & Lerman, J. W. (2001). Acoustic Comparison of Vowel Articulation in Normal and Reverse Phonation. Journal of Speech, Language & Hearing Research, 44(1), 118. https://doi.org/10.1044/1092-4388(2001/011)
Chicago Style (17th ed.) CitationRobb, Michael P., Yang Chen, Harvey R. Gilbert, and Jay W. Lerman. "Acoustic Comparison of Vowel Articulation in Normal and Reverse Phonation." Journal of Speech, Language & Hearing Research 44, no. 1 (2001): 118. https://doi.org/10.1044/1092-4388(2001/011).
MLA (9th ed.) CitationRobb, Michael P., et al. "Acoustic Comparison of Vowel Articulation in Normal and Reverse Phonation." Journal of Speech, Language & Hearing Research, vol. 44, no. 1, 2001, p. 118, https://doi.org/10.1044/1092-4388(2001/011).