Citação norma APA

Cook, A. (2017). American accent training: A guide to speaking and pronouncing colloquial American English (4th ed.). New York: Barron's.

Citação norma Chicago

Cook, Ann. American Accent Training: A Guide to Speaking and Pronouncing Colloquial American English. 4th ed. New York: Barron's, 2017.

Citação norma MLA

Cook, Ann. American Accent Training: A Guide to Speaking and Pronouncing Colloquial American English. 4th ed. New York: Barron's, 2017.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.