APA (7th ed.) Citation

Burchfield, R. W. (1992). Unlocking the English Language / R. W. Burchfield (New ed.). Faber.

Chicago Style (17th ed.) Citation

Burchfield, R. W. Unlocking the English Language / R. W. Burchfield. New ed. London: Faber, 1992.

MLA (9th ed.) Citation

Burchfield, R. W. Unlocking the English Language / R. W. Burchfield. New ed. Faber, 1992.

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