APA (7th ed.) Citation

Keller, K. C. (1971). Instrumental articulatory phonetics: An introd. to techniques and results. Summer Inst. of Linguistics.

Chicago Style (17th ed.) Citation

Keller, Kathryn C. Instrumental Articulatory Phonetics: An Introd. to Techniques and Results. Norman: Summer Inst. of Linguistics, 1971.

MLA (9th ed.) Citation

Keller, Kathryn C. Instrumental Articulatory Phonetics: An Introd. to Techniques and Results. Summer Inst. of Linguistics, 1971.

Warning: These citations may not always be 100% accurate.