APA (7th ed.) Citation
Feld, J. E., & Sommers, M. S. (2009). Lipreading, Processing Speed, and Working Memory in Younger and Older Adults. Journal of Speech, Language & Hearing Research, 52(6), 1555-1566.
Chicago Style (17th ed.) Citation
Feld, Julia E., and Mitchell S. Sommers. "Lipreading, Processing Speed, and Working Memory in Younger and Older Adults." Journal of Speech, Language & Hearing Research 52, no. 6 (2009): 1555-1566.
MLA (9th ed.) Citation
Feld, Julia E., and Mitchell S. Sommers. "Lipreading, Processing Speed, and Working Memory in Younger and Older Adults." Journal of Speech, Language & Hearing Research, vol. 52, no. 6, 2009, pp. 1555-1566.
Warning: These citations may not always be 100% accurate.