APA (7th ed.) Citation

Lass, R. (1980). On explaining language change (1st published.). University Press.

Chicago Style (17th ed.) Citation

Lass, Roger. On Explaining Language Change. 1st published. Cambridge [etc.]: University Press, 1980.

MLA (9th ed.) Citation

Lass, Roger. On Explaining Language Change. 1st published. University Press, 1980.