APA Style

Wolfram, Walt, Schilling, Natalie. (2016). American English: dialects and variation. (3rd Ed.). John Wiley, USA: Wiley-Blackwell.

Chicago Style

Wolfram, Walt, Schilling, Natalie. American English: dialects and variation.. 3rd Ed. John Wiley, USA: Wiley-Blackwell, 2016. Text.

MLA Style

Wolfram, Walt, Schilling, Natalie. American English: dialects and variation.. 3rd Ed. John Wiley, USA: Wiley-Blackwell, 2016. Text.

Turabian Style

Wolfram, Walt, Schilling, Natalie. American English: dialects and variation.. 3rd Ed. John Wiley, USA: Wiley-Blackwell, 2016. Print.