APA Citation

 Clark, J. (2007).  An introduction to phonetics and phonology.  Blackwell Pub.

Chicago Style Citation

 Clark, John.  An Introduction to Phonetics and Phonology.  Blackwell Pub, 2007.

MLA Citation

 Clark, John.  An Introduction to Phonetics and Phonology.  Blackwell Pub, 2007.

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