APA (7th ed.) Citation
Keller, K. C. (1971). Instrumental articulatory phonetics: An introduction to techniques and results. Summer Institute of Linguistics of the University of Oklahoma.
Chicago Style (17th ed.) Citation
Keller, Kathryn C. Instrumental Articulatory Phonetics: An Introduction to Techniques and Results. Norman, Oklahoma: Summer Institute of Linguistics of the University of Oklahoma, 1971.
MLA (9th ed.) Citation
Keller, Kathryn C. Instrumental Articulatory Phonetics: An Introduction to Techniques and Results. Summer Institute of Linguistics of the University of Oklahoma, 1971.
Warning: These citations may not always be 100% accurate.