Cita APA (7a ed.)

Tottie, G. (2002). An introduction to American English. Blackwell.

Cita Chicago Style (17a ed.)

Tottie, Gunnel. An Introduction to American English. Malden (Massachusetts) [etc.]: Blackwell, 2002.

Cita MLA (9a ed.)

Tottie, Gunnel. An Introduction to American English. Blackwell, 2002.