APA (7th ed.) Citation

Bright, W., & Dil, A. S. (1976). Variation and change in language. Stanford University Press.

Chicago Style (17th ed.) Citation

Bright, William, and Anwar S. Dil. Variation and Change in Language. Stanford, California: Stanford University Press, 1976.

MLA (9th ed.) Citation

Bright, William, and Anwar S. Dil. Variation and Change in Language. Stanford University Press, 1976.