APA

Upton C., Kretzschmar W. A. & Konopka R. (2006). Oxford dictionary of pronunciation for current english. Delhi: Oxford University Press.

Chicago

Upton Clive, Kretzschmar William A and Konopka Rafal. 2006. Oxford dictionary of pronunciation for current english. Delhi: Oxford University Press.

Harvard

Upton C., Kretzschmar W. A. and Konopka R. (2006). Oxford dictionary of pronunciation for current english. Delhi: Oxford University Press.

MLA

Upton Clive, Kretzschmar William A and Konopka Rafal. Oxford dictionary of pronunciation for current english. Delhi: Oxford University Press. 2006.