Cita APA (7a ed.)

Catford, J. C. (1988). A practical introduction to phonetics. Clarendon Press.

Cita Chicago Style (17a ed.)

Catford, John Cunnison. A Practical Introduction to Phonetics. Oxford: Clarendon Press, 1988.

Cita MLA (9a ed.)

Catford, John Cunnison. A Practical Introduction to Phonetics. Clarendon Press, 1988.