MLA

Phythian, B. A. A Concise Dictionary of Correct English. London: Hodder and Stoughton, 1979.

APA

Phythian, B. A. (1979). A concise dictionary of correct English. London: Hodder and Stoughton.

Chicago

Phythian, B. A. A Concise Dictionary of Correct English. London: Hodder and Stoughton, 1979.