Cita APA (7a ed.)

368472 Pence, R. W., & Emery, D. W. (1963). A grammer of present-day English. New York : Macmillan.

Cita Chicago Style (17a ed.)

368472 Pence, Raymond Woodbury, y D. W. Emery. A Grammer of Present-day English. New York : Macmillan, 1963.

Cita MLA (9a ed.)

368472 Pence, Raymond Woodbury, y D. W. Emery. A Grammer of Present-day English. New York : Macmillan, 1963.