APA (7th ed.) Citation

Palmer, H. E., Blandford, F. G., & Kingdon, R. (1969). A grammar of spoken English (3rd ed.). Heffer.

Chicago Style (17th ed.) Citation

Palmer, Harold E., F. G. Blandford, and Roger Kingdon. A Grammar of Spoken English. 3rd ed. Cambridge: Heffer, 1969.

MLA (8th ed.) Citation

Palmer, Harold E., et al. A Grammar of Spoken English. 3rd ed. Heffer, 1969.