APA (7th ed.) Citation

Freeborn, D., Langford, D., & French, P. (1985). Varieties of English: An introduction to the study of language. Macmillan Educational.

Chicago Style (17th ed.) Citation

Freeborn, Dennis, David Langford, and Peter French. Varieties of English: An Introduction to the Study of Language. London: Macmillan Educational, 1985.

MLA (9th ed.) Citation

Freeborn, Dennis, et al. Varieties of English: An Introduction to the Study of Language. Macmillan Educational, 1985.

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