Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

Lloyd, Donald J., y Harry Redcay Warfel. American English in Its Cultural Setting. New York: Alfred A. Knopf, 1956.

Cita MLA (9a ed.)

Lloyd, Donald J., y Harry Redcay Warfel. American English in Its Cultural Setting. Alfred A. Knopf, 1956.