APA (7th ed.) Citation

Barnard, G. L., & McKay, P. S. Practice in spoken english: An anathology of exercises in english sounds. Macmillan.

Chicago Style (17th ed.) Citation

Barnard, G. L., and P. S. McKay. Practice in Spoken English: An Anathology of Exercises in English Sounds. London: Macmillan.

MLA (9th ed.) Citation

Barnard, G. L., and P. S. McKay. Practice in Spoken English: An Anathology of Exercises in English Sounds. Macmillan.

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