APA (7th ed.) Citation

Ladefoged, P., & Johnstone, K. (2015). A Course in phonetics (Seventh edition.). Cengage Learning.

Chicago Style (17th ed.) Citation

Ladefoged, Peter, and Keith Johnstone. A Course in Phonetics. Seventh edition. Stamford, CT: Cengage Learning, 2015.

MLA (9th ed.) Citation

Ladefoged, Peter, and Keith Johnstone. A Course in Phonetics. Seventh edition. Cengage Learning, 2015.

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