APA (7th ed.) Citation

SMITH, L. P. (1966). The english language. 6.U.P.

Chicago Style (17th ed.) Citation

SMITH, Logan Pearsall. The English Language. London: 6.U.P, 1966.

MLA (9th ed.) Citation

SMITH, Logan Pearsall. The English Language. 6.U.P, 1966.