APA (7th ed.) Citation

Hewlett, N., & Beck, J. (2006). An introduction to the science of phonetics. Routledge.

Chicago Style (17th ed.) Citation

Hewlett, Nigel, and Janet Beck. An Introduction to the Science of Phonetics. London [u.a.]: Routledge, 2006.

MLA (9th ed.) Citation

Hewlett, Nigel, and Janet Beck. An Introduction to the Science of Phonetics. Routledge, 2006.