APA (7th ed.) Citation

Roach, P. (2009). English phonetics and phonology: A practical course (4. ed.). Cambridge Univ. Press [u.a.].

Chicago Style (17th ed.) Citation

Roach, Peter. English Phonetics and Phonology: A Practical Course. 4. ed. Cambridge [u.a.]: Cambridge Univ. Press [u.a.], 2009.

MLA (9th ed.) Citation

Roach, Peter. English Phonetics and Phonology: A Practical Course. 4. ed. Cambridge Univ. Press [u.a.], 2009.