Simpson, R. B. w. a. a. b. J. The English language. Oxford University Press.
Chicago Style (17th ed.) CitationSimpson, Robert Burchfield with an afterword by John. The English Language. Oxford University Press.
MLA (8th ed.) CitationSimpson, Robert Burchfield with an afterword by John. The English Language. Oxford University Press.
Warning: These citations may not always be 100% accurate.