Cita APA (7th ed.)

Francis, W. N. (1965). The english language: An introduction. Background for writing. W.W. Norton & Co.

Cita Chicago (17th ed.)

Francis, W. Nelson. The English Language: An Introduction. Background for Writing. New York, Estados Unidos: W.W. Norton & Co, 1965.

Cita MLA (9th ed.)

Francis, W. Nelson. The English Language: An Introduction. Background for Writing. W.W. Norton & Co, 1965.