APA (7th ed.) Citation

Ladefoged, P., & Maddieson, I. (1996). The Sounds of the world's languages / Peter Ladefoged and Ian Maddieson. Blackwell.

Chicago Style (17th ed.) Citation

Ladefoged, Peter, and Ian Maddieson. The Sounds of the World's Languages / Peter Ladefoged and Ian Maddieson. Oxford ; Cambridge, Mass.: Blackwell, 1996.

MLA (9th ed.) Citation

Ladefoged, Peter, and Ian Maddieson. The Sounds of the World's Languages / Peter Ladefoged and Ian Maddieson. Blackwell, 1996.

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