APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

Wolfram, Walt, and Erik R. Thomas. The Development of African American English. Oxford ; Malden, MA: Blackwell Publishers, 2002.

MLA (9th ed.) Citation

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