Cita APA (7a ed.)

Preston, D. R. (2003). Needed research in american dialects. Duke University Press.

Cita Chicago Style (17a ed.)

Preston, Dennis Richard. Needed Research in American Dialects. Durham: Duke University Press, 2003.

Cita MLA (9a ed.)

Preston, Dennis Richard. Needed Research in American Dialects. Duke University Press, 2003.