MLA

Trask, R. L. A Dictionary of Phonetics and Phonology. Repr. London: Routledge, 1996.

APA

Trask, R. L. (1996). A dictionary of phonetics and phonology. Repr. London: Routledge.

Chicago

Trask, R. L. A Dictionary of Phonetics and Phonology. Repr. London: Routledge, 1996.