Cita APA (7a ed.)

Palmer, H. E., & Blanford, F. G. (1969). A grammar of spoken english (3rd ed. ; rev. and rewritten by Roger Kingdon.). Heffer.

Cita Chicago Style (17a ed.)

Palmer, Harold E., y Francis George Blanford. A Grammar of Spoken English. 3rd ed. ; rev. and rewritten by Roger Kingdon. Cambridge: Heffer, 1969.

Cita MLA (9a ed.)

Palmer, Harold E., y Francis George Blanford. A Grammar of Spoken English. 3rd ed. ; rev. and rewritten by Roger Kingdon. Heffer, 1969.