APA (7th ed.) Citation

Palmer, F. R. (1990). Modality and the english modals (2nd edition.). Longman.

Chicago Style (17th ed.) Citation

Palmer, F. R. Modality and the English Modals. 2nd edition. London: Longman, 1990.

MLA (8th ed.) Citation

Palmer, F. R. Modality and the English Modals. 2nd edition. Longman, 1990.

Warning: These citations may not always be 100% accurate.