APA (7th ed.) Citation

Noël-Armfield, G. (1919). General phonetics for missionaries and students of languages (2nd ed., rev., with an appendix on the "Cardinal vowels.".). W. Heffer & Sons Ltd.

Chicago Style (17th ed.) Citation

Noël-Armfield, George. General Phonetics for Missionaries and Students of Languages. 2nd ed., rev., with an appendix on the "Cardinal vowels.". Cambridge: W. Heffer & Sons Ltd, 1919.

MLA (9th ed.) Citation

Noël-Armfield, George. General Phonetics for Missionaries and Students of Languages. 2nd ed., rev., with an appendix on the "Cardinal vowels.". W. Heffer & Sons Ltd, 1919.