APA (7th ed.) Citation

Ladefoged, P. (1967). Three areas of experimental phonetics: Stress and respiratory activity, the nature of vowel quality, units in the perception and production of speech. Oxford University Press.

Chicago Style (17th ed.) Citation

Ladefoged, Peter. Three Areas of Experimental Phonetics: Stress and Respiratory Activity, the Nature of Vowel Quality, Units in the Perception and Production of Speech. London: Oxford University Press, 1967.

MLA (9th ed.) Citation

Ladefoged, Peter. Three Areas of Experimental Phonetics: Stress and Respiratory Activity, the Nature of Vowel Quality, Units in the Perception and Production of Speech. Oxford University Press, 1967.