APA (7th ed.) Citation

Ashby, P. (2005). Speech sounds (2nd ed.). Routledge.

Chicago Style (17th ed.) Citation

Ashby, Patricia. Speech Sounds. 2nd ed. London: Routledge, 2005.

MLA (9th ed.) Citation

Ashby, Patricia. Speech Sounds. 2nd ed. Routledge, 2005.

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