Cita APA (7a ed.)

Wolfram, W., & Thomas, E. R. (2002). The development of African American English. Blackwell.

Cita Chicago Style (17a ed.)

Wolfram, Walt, y Erik R. Thomas. The Development of African American English. Oxford [etc.]: Blackwell, 2002.

Cita MLA (9a ed.)

Wolfram, Walt, y Erik R. Thomas. The Development of African American English. Blackwell, 2002.