APA (7th ed.) Citation

Catford, J. C. (1994). A practical introduction to phonetics. Clarendon.

Chicago Style (17th ed.) Citation

Catford, John Cunnison. A Practical Introduction to Phonetics. Oxford: Clarendon, 1994.

MLA (9th ed.) Citation

Catford, John Cunnison. A Practical Introduction to Phonetics. Clarendon, 1994.

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