APA (7th ed.) Citation

Ladefoged, P. (2001). Vowels and consonants: An introduction to the sounds of languages. Blackwell.

Chicago Style (17th ed.) Citation

Ladefoged, Peter. Vowels and Consonants: An Introduction to the Sounds of Languages. Malden: Blackwell, 2001.

MLA (8th ed.) Citation

Ladefoged, Peter. Vowels and Consonants: An Introduction to the Sounds of Languages. Blackwell, 2001.

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