APA (7th ed.) Citation

Smith, H. L. (1956). Linguistic science and the teaching of English. Harvard Univ. Press.

Chicago Style (17th ed.) Citation

Smith, Henry L. Linguistic Science and the Teaching of English. Cambridge, Mass: Harvard Univ. Press, 1956.

MLA (9th ed.) Citation

Smith, Henry L. Linguistic Science and the Teaching of English. Harvard Univ. Press, 1956.