APA Citation

Bolton, W. F. 1., & Crystal, D. (1987). The English language. Sphere Books.

Chicago Style Citation

Bolton, W. F. 1930-, and David Crystal. The English Language. Sphere Books, 1987.

MLA Citation

Bolton, W. F. 1930-, and David Crystal. The English Language. Sphere Books, 1987.

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