Cita APA (7a ed.)

Palmer, H., Blandford, F. G., & Kingdon, R. (1976). A grammar of spoken English (3rd ed. / rev. and rewritten by Roger Kingdon.). Cambridge University Press.

Cita Chicago Style (17a ed.)

Palmer, Harold, Francis George Blandford, y Roger Kingdon. A Grammar of Spoken English. 3rd ed. / rev. and rewritten by Roger Kingdon. Cambridge [etc.]: Cambridge University Press, 1976.

Cita MLA (9a ed.)

Palmer, Harold, et al. A Grammar of Spoken English. 3rd ed. / rev. and rewritten by Roger Kingdon. Cambridge University Press, 1976.