MLA

Jones, Daniel, James Hartman, and Peter John Roach. English Pronouncing Dictionary. Cambridge: Cambridge University, 1997.

APA

Jones, D., Hartman, J., & Roach, P. John. (1997). English pronouncing dictionary. Cambridge: Cambridge University.

Chicago

Jones, Daniel, James Hartman, and Peter John Roach. English Pronouncing Dictionary. Cambridge: Cambridge University, 1997.