Cita APA (7a ed.)

Wolfram, W. (1991). Dialects and American English. Prentice-Hall.

Cita Chicago Style (17a ed.)

Wolfram, Walt. Dialects and American English. New York [etc.]: Prentice-Hall, 1991.

Cita MLA (9a ed.)

Wolfram, Walt. Dialects and American English. Prentice-Hall, 1991.