Butler, S. G., Stuart, A., Castell, D., Russell, G. B., Koch, K., & Kemp, S. (2009). Effects of Age, Gender, Bolus Condition, Viscosity, and Volume on Pharyngeal and Upper Esophageal Sphincter Pressure and Temporal Measurements During Swallowing. Journal of Speech, Language & Hearing Research, 52(1), 240. https://doi.org/10.1044/1092-4388(2008/07-0092)
Chicago Style (17th ed.) CitationButler, Susan G., Andrew Stuart, Donald Castell, Gregory B. Russell, Kenneth Koch, and Shannon Kemp. "Effects of Age, Gender, Bolus Condition, Viscosity, and Volume on Pharyngeal and Upper Esophageal Sphincter Pressure and Temporal Measurements During Swallowing." Journal of Speech, Language & Hearing Research 52, no. 1 (2009): 240. https://doi.org/10.1044/1092-4388(2008/07-0092).
MLA (9th ed.) CitationButler, Susan G., et al. "Effects of Age, Gender, Bolus Condition, Viscosity, and Volume on Pharyngeal and Upper Esophageal Sphincter Pressure and Temporal Measurements During Swallowing." Journal of Speech, Language & Hearing Research, vol. 52, no. 1, 2009, p. 240, https://doi.org/10.1044/1092-4388(2008/07-0092).