Citazione Stile APA (7a Edizione)

Lloyd, D. J., & Warfel, H. R. (1956). American English in its cultural setting. Knopf.

Citazione stile Chigago Style (17a edizione)

Lloyd, Donald J., e Harry R. Warfel. American English in Its Cultural Setting. New York: Knopf, 1956.

Citatione MLA (9a ed.)

Lloyd, Donald J., e Harry R. Warfel. American English in Its Cultural Setting. Knopf, 1956.