MLA

Ladefoged, Peter. A Course In Phonetics. New York (N.Y.): Harcourt, Brace and Jovanovich, 1975.

APA

Ladefoged, P. (1975). A course in phonetics. New York (N.Y.): Harcourt, Brace and Jovanovich.

Chicago

Ladefoged, Peter, A Course In Phonetics. New York (N.Y.): Harcourt, Brace and Jovanovich, 1975.