APA (7th ed.) Citation

Clark, J., Yallop, C., & Fletcher, J. (2007). An introduction to phonetics and phonology (3rd ed.). Blackwell Pub.

Chicago Style (17th ed.) Citation

Clark, John, Colin Yallop, and Janet Fletcher. An Introduction to Phonetics and Phonology. 3rd ed. Malden, Mass: Blackwell Pub, 2007.

MLA (9th ed.) Citation

Clark, John, et al. An Introduction to Phonetics and Phonology. 3rd ed. Blackwell Pub, 2007.